Question

please answer two questions​

Answer 1

Step-by-step explanation:

Given:AB=AC

P=90

USING angle sum property,

ABP+PAB+APB=180

60+ BAP+90=180

150+BAP=180

BAP=180-150

BAP= 30

IN ∆ABC,

A+B+C=180(Angle sum property)

60+30+ C=180

C+90=180

C=180-90

C=90