Question

HELP ASAP PLEASE I CANT GET THIS WRONG

Answer 1

arch AD is 43 degrees

Explanation:

180-90=90

90=7x+1+9x-7

90=16x-6

96=16x

6=x

So, 7x+1=43 degrees.

Double check by going, 9x-7=47+43=90

90+90=180