To be quite honest if I just knew the formulas for these I could probably solve it

RainbowPanda Feb 26, 2019

#1**+1 **

First one

Angle DEF = 6x + 37

And twice the angle measure of angle DEF = measure of arc FGD

So...we have that

2(6x + 37) = (19x - 31) simplify

12x + 74 = 19x - 31 rearrange as

74 + 31 = 7x

105 = 7x

15 = x

So DEF = 6(15) + 37 = 90 + 37 = 127°

CPhill Feb 26, 2019

#2**0 **

The next one is an arc, would it be solved the same way or would I have to do 1/2 instead of 2

RainbowPanda
Feb 26, 2019