Question

PQRS is a parallelogram. Find angle x and y when angle S= 75, R=60 and P=45

Answer 1

We know a.s.p of a llgm is always 360. so by subtraction, i.e

p+q+r+s=360

45+q or x+60+75=360

x=360-45-60-75

x=360-180

x=180

hence proved