Question

1. Given O B and marked angle measure.
Find MZADC and find the measure of AC
с
135°
D
B
А

Answer 1

Step-by-step explanation:

angle ADC = angle ABC / 2

= 135/2 = 67.5°

AC = 2r * sin (62.5)

AC = 1.84r

r is the radius of circle