JEE Questions for Maths Properties Of Triangle Quiz 5 - MCQExams.com

If in a triangle, r1 = 2r2 = 3r3 and D is the middle point of BC, then cos ∠ ADC is equal to

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  • 2)
    Maths-Properties of Triangle-46601.png

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  • Maths-Properties of Triangle-46603.png

Maths-Properties of Triangle-46605.png

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  • 2)
    Maths-Properties of Triangle-46607.png

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  • R

Maths-Properties of Triangle-46610.png
  • sin(A-C)
  • sin(A+C)

  • Maths-Properties of Triangle-46611.png

  • Maths-Properties of Triangle-46612.png

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  • acute angled
  • obtuse angled
  • right angled
  • equilateral triangle

Maths-Properties of Triangle-46616.png

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  • 2)
    Maths-Properties of Triangle-46618.png

  • Maths-Properties of Triangle-46619.png

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