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HELP ASAP PLEASE I CANT GET THIS WRONG

HELP ASAP PLEASE I CANT GET THIS WRONG-example-1
User Mike Geise
by
4.8k points

1 Answer

2 votes

Answer:

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

User Jasonsemko
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4.6k points