Class 5 Maths - Does It Look The Same

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
Is P that point on line I from which the sum of the distance of points A and B is minimum

Yes.
Since, $$PA+PB= PC+PB$$
Now, $$CP+PB$$ will be minimum when $$C, P$$ and $$B$$ lie on the line.

Draw the image P', Q' and R' of the point P, Q and R, respectively in the line n (Fig. 9.9). Join P' Q' and Q' R' to from an angle P' Q' R' . Measure $$\angle $$PQR and $$\angle $$P'Q'R' . Are the two angles equal?

Yes both the angles are equal.

1646453_1790275_ans_538baa7079c54be99388274cd2a19acf.png

Draw the images of the points A, B and C in the line m (Fig. 9.8 ). Name them as A', B; and C' , respectively and join them in pairs. Measure AB, BC, CA, A'B' and B' C' and C' A'. Is AB = A'B', BC= B'C' and CA= C' A'

Yes,
AB= A'B' , BC=B'C, and CA = CA'
1646422_1790265_ans_dc0b219cd96442c9be55c54e187cb7b9.png

The image of a point lying on a line $$l $$ with respect to the line of symmetry $$l$$ lies on _____ .

The image of a point lying on a line $$l$$ with respect to the line of symmetry $$l$$ lies on $$\text{line}\ l$$

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P
(c) Is PA+PB= PC+PB

Yes,

Since, PA= PC as they are reflection of each other

and PB is common in both

$$ \therefore $$ PA+PB= PC+PB

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
(b) Is PA= PC

Yes, PA= PC $$ \because $$ (point C is the image of point A)

The distance of the image of a point (or an object) from the line of symmetry (mirror) is _____ as that of the point ( object) from the line (mirror).

The distance of the image of a point (or an object) from the line of symmetry (mirror) is $$\mathrm{same}$$ as that of the point ( object) from the line (mirror).

Because, object and image lie on opposite side of a line of symmetry(plane mirror) but at $$\mathrm{equal}$$ distance from line of symmetry(mirror)

If a line segment of length $$5$$ cm is reflected in a line of symmetry (mirror), then its reflection (image) is a _ of length ___ .

Image of any object in mirror is same object lying on opposite side of mirror.

So, image of line segment of $$5$$ cm is a line segment of $$5$$ cm, as image is same as object just lying on opposite side of a mirror.

So,If a line segment of length $$5$$ cm is reflected in a line of symmetry (mirror), then its reflection (image) is a $$\text{line segment}$$ of length $$5\text{ cm}$$.

Draw the images of points A and B in line I of Fig. 9.5 and name them as A' and B' respectively. Measure AB and A' B' . Are they equal

Yes, the measurement of AB and A' B' will be equal.
1708592_1790207_ans_f335d9152a2b422592633e8ef547f377.png

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
(a) Is the image of P in line I the point P itself

Yes, the image of P in line I the point P itself.

In Fig. 9.1, if B is the image of the point A with respect to the line I and P any point lying on I, then the lengths of line segments PA and PB are _______ .

The lengths of line segments PA and PB are equal.

Draw the images of points A and B in line I of Fig. 9.5 and name them as A' and B' respectively. Measure AB and A' B' . Are they equal

Yes, the measurement of AB and A' B' will be equal.
1904821_1790208_ans_cd7966858e524a01ac41ef83a7cbd8ce.png

Draw the images of the points A, B and C in the line m (Fig. 9.8 ). Name them as A', B; and C' , respectively and join them in pairs. Measure AB, BC, CA, A'B' and B' C' and C' A'. Is AB = A'B', BC= B'C' and CA= C' A'

Yes,
AB= A'B' , BC=B'C, and CA = CA'
1646425_1790266_ans_41728f0fa5514a6d9ab951ccbf9a922d.png

Look at the following shapes. Draw how they will look on $$\dfrac{1}{3}$$ and $$\dfrac{1}{6}$$ turn.

1329017_1080636_ans_ebc7deb01e314259857b0d5dc841fa6f.png

Does It Look The Same - Class 5 Maths - Extra Questions

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
Is P that point on line I from which the sum of the distance of points A and B is minimum

Draw the image P', Q' and R' of the point P, Q and R, respectively in the line n (Fig. 9.9). Join P' Q' and Q' R' to from an angle P' Q' R' . Measure $$\angle $$PQR and $$\angle $$P'Q'R' . Are the two angles equal?

Draw the images of the points A, B and C in the line m (Fig. 9.8 ). Name them as A', B; and C' , respectively and join them in pairs. Measure AB, BC, CA, A'B' and B' C' and C' A'. Is AB = A'B', BC= B'C' and CA= C' A'

The image of a point lying on a line $$l $$ with respect to the line of symmetry $$l$$ lies on _____ .

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P
(c) Is PA+PB= PC+PB

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
(b) Is PA= PC

The distance of the image of a point (or an object) from the line of symmetry (mirror) is _____ as that of the point ( object) from the line (mirror).

If a line segment of length $$5$$ cm is reflected in a line of symmetry (mirror), then its reflection (image) is a _ of length ___ .

Draw the images of points A and B in line I of Fig. 9.5 and name them as A' and B' respectively. Measure AB and A' B' . Are they equal

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
(a) Is the image of P in line I the point P itself

In Fig. 9.1, if B is the image of the point A with respect to the line I and P any point lying on I, then the lengths of line segments PA and PB are _______ .

Draw the images of points A and B in line I of Fig. 9.5 and name them as A' and B' respectively. Measure AB and A' B' . Are they equal

Draw the images of the points A, B and C in the line m (Fig. 9.8 ). Name them as A', B; and C' , respectively and join them in pairs. Measure AB, BC, CA, A'B' and B' C' and C' A'. Is AB = A'B', BC= B'C' and CA= C' A'

Look at the following shapes. Draw how they will look on $$\dfrac{1}{3}$$ and $$\dfrac{1}{6}$$ turn.

Class 5 Maths Extra Questions

Does It Look The Same - Class 5 Maths - Extra Questions

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.Is P that point on line I from which the sum of the distance of points A and B is minimum

Draw the image P', Q' and R' of the point P, Q and R, respectively in the line n (Fig. 9.9). Join P' Q' and Q' R' to from an angle P' Q' R' . Measure $$\angle $$PQR and $$\angle $$P'Q'R' . Are the two angles equal?

Draw the images of the points A, B and C in the line m (Fig. 9.8 ). Name them as A', B; and C' , respectively and join them in pairs. Measure AB, BC, CA, A'B' and B' C' and C' A'. Is AB = A'B', BC= B'C' and CA= C' A'

The image of a point lying on a line $$l $$ with respect to the line of symmetry $$l$$ lies on _____ .

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P(c) Is PA+PB= PC+PB

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.(b) Is PA= PC

The distance of the image of a point (or an object) from the line of symmetry (mirror) is _____ as that of the point ( object) from the line (mirror).

If a line segment of length $$5$$ cm is reflected in a line of symmetry (mirror), then its reflection (image) is a _____ of length _______ .

Draw the images of points A and B in line I of Fig. 9.5 and name them as A' and B' respectively. Measure AB and A' B' . Are they equal

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.(a) Is the image of P in line I the point P itself

In Fig. 9.1, if B is the image of the point A with respect to the line I and P any point lying on I, then the lengths of line segments PA and PB are _______ .

Draw the images of points A and B in line I of Fig. 9.5 and name them as A' and B' respectively. Measure AB and A' B' . Are they equal

Draw the images of the points A, B and C in the line m (Fig. 9.8 ). Name them as A', B; and C' , respectively and join them in pairs. Measure AB, BC, CA, A'B' and B' C' and C' A'. Is AB = A'B', BC= B'C' and CA= C' A'

Look at the following shapes. Draw how they will look on $$\dfrac{1}{3}$$ and $$\dfrac{1}{6}$$ turn.

Class 5 Maths Extra Questions

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In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
Is P that point on line I from which the sum of the distance of points A and B is minimum

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P
(c) Is PA+PB= PC+PB

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
(b) Is PA= PC

If a line segment of length $$5$$ cm is reflected in a line of symmetry (mirror), then its reflection (image) is a _ of length ___ .

In Fig. 9.6, the point C is the image of point A in line I and line segment BC intersects the line I at P.
(a) Is the image of P in line I the point P itself