1. Given O B and marked angle measure.
Find MZADC and find the measure of AC
с
135°
D
B
А
![1 Given O B and marked angle measure Find MZADC and find the measure of AC с 135 D B А class=](https://us-static.z-dn.net/files/d5c/2095cc731ee4bc8948b1331eb7489769.png)
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