Question

The angle of the ADS is 30degrees, and the ADis 14cm. What is the length of the AB segment?
attach a full-solution file(2 points)
1. What theorems were used to solve the problem?
2. Finds the length of the AB segment

Answer 1

ADS=30⁰,AD=14cm

sin30⁰=AM/AD

1/2=AM/14

AM=1/2×14=7cm

in the gvn circle,OC radius bisects the lin segment AB.

so,AB=2AM=2(7)=14cm.