prove that angles opposite to equal sides of an isosceles triangle are equal
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sanjanajain2
There's a theroem that states that if two sides of a triangle are congruent , then the angles opposite these sides are also congruent .....
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MegaRayquaza16
Take triangle ABC, AB=BC Draw median D from A on BC In triangle ABD and ACD AB=AC BD=DC(Construction) AD=AD So triangle ABD is congruent to ACD So angle B is equal to angle C(CPCT)
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Draw median D from A on BC
In triangle ABD and ACD
AB=AC
BD=DC(Construction)
AD=AD
So triangle ABD is congruent to ACD
So angle B is equal to angle C(CPCT)