Question

To

(-7x+12)
(-8x + 48)
D
А
Write an equation to solve for x. Then find :
m and m

Answer 1

)

Explanation:

(-7x + 12)° + (-8x + 48)° =180. (supplementary angles)

-7x-8x +12+48=180

-15x + 60=180

-15x = 180-60

-15x =120

-15x/-15 = 120/15

x= -8°

BDC= -7x+12

= -7(-8)+12

=68°

CDA=-8x +48

= -8(-8)+48

= 112°