Question

Prove that a diagonai of a parallelogram divides it into two triangies of equal area.​

Answer 1

Answer:

ar(ABC)=ar(ADC)

Step-by-step explanation:

Proof:- In triangle ABC and ADC

angleBCA=angleDAC (alternate interior

angle)

AC=AC. (Common)

angleBAC=angleDCA. (alternate interior

angle)

triangleABC congruent triangleADC

ar(ABC)=ar(ADC). (Congruent fig.

are equal in area)

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