AB and CD are chords that intersect inside a circle.
a.if AD = 120° and BC = 50° find the measure of 1
b. if BD = 150° and AC = 70° find the measure of 2
c. if BC = 60° and the measure of 1 is 80°, find AD
d. if AD = 130° and the measure of 1 is 105° , find BC.
pls help po. thank you
![AB And CD Are Chords That Intersect Inside A Circle Aif AD 120 And BC 50 Find The Measure Of 1b If BD 150 And AC 70 Find The Measure Of 2c If BC 60 And The Meas class=](https://ph-static.z-dn.net/files/dd5/e0cd6bcf60abf5cc90270ee4596b244f.jpg)