Question

ABC is an isosceles triangle with AB=AC. Drow AP perpendicular to BC to show angelB=angleC.
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Answer 1

Step-by-step explanation:

In triangle APB and APC

AP=AP. ---- (COMMON)

AngleAPB = AngleAPC ------- (EACH 90degree

AB =AC ------(GIVEN)

triangle APB Congurent triangle APC ------((

(BY SAS CONGURENCE RULE)

AngleB =AngleC ------- (BY CPCT)