In triangle ABC, if AB=BC and ∠B = 70°, ∠A will be:
  • 70°
  • 110°
  • 55°
  • 130°
For two triangles, if two angles and the included side of one triangle are equal to two angles and the included side of another triangle. Then the congruency rule is:
  • SSS
  • ASA
  • SAS
  • AAS
A triangle in which two sides are equal is called:
  • Scalene triangle
  • Equilateral triangle
  • Isosceles triangle
  • None of the above
The angles opposite to equal sides of a triangle are:
  • Equal
  • Unequal
  • Supplementary angles
  • Complementary angles
ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively. Then:
  • BE>CF
  • BE
  • BE=CF
  • None of the above
If E and F are the midpoints of equal sides AB and AC of a triangle ABC. Then:
  • BF=AC
  • BF=AF
  • CE=AB
  • BF = CE
If ABC and DBC are two isosceles triangles on the same base BC. Then:
  • ∠ABD = ∠ACD
  • ∠ABD > ∠ACD
  • ∠ABD < ∠ACD
  • None of the above
If ABC is an equilateral triangle, then each angle equals to:
  • a. 90°
  • B.180°
  • c. 120°
  • d. 60°
If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then:
  • BD=CD
  • b. BD>CD
  • c. BD
  • d. None of the above
In a right triangle, the longest side is:
  • Perpendicular
  • Hypotenuse
  • Base.
  • None of the above
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