Question

7.If the altitudes from two vertices of a triangle to the opposite sides are equal prove that the triangle is isosceles.​

Answer 1

Answer:

If the altitudes from two vertices of a triangle to the opposite sides are equal, prove that the triangle is isosceles.

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

in Δ PBC and  ΔBQC

PC=BQ (GIVEN)

BC=BC (COMMON )

∠ CPB=∠ BQC (each 90°)

⇒tri PBC ≅ tri BQC

⇒∠B=∠C

⇒AB=AC ( side opp. to equal angles are equal)