Question

Use the angle measure theorems to find the measure of angle 1.
https://media.glynlyon.com/a_matgeo_2011/6/group145.gif
angle 1 = degrees

Answer 1

there is a direct formula for this

Answer 2

external angle = (far arc - near arc) / 2

Answer 3

far arc = 100
near arc = 30

Answer 4

plugin

Answer 5

\[m\angle 1= \frac12 (100-30)\]

Answer 6

so m∠1= 1/2 (70)?

Answer 7

yes, keep going

Answer 8

whats my next step after that? @ganeshie8