Question

AD

BA
B
C.
А
D
0
3
E
If mZ1=mZ2, then mZ1 is:
90
30
45
60

Answer 1

let angle 1 = angle 2 = x

as ad perp to bf they make 90 degrees at BOD

so

angle 1 + angle 2 = 90 degree

x + x = 90

2x = 90

x = 45

so angle 1 = 45° options c