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4 votes
Please anwser one question!!

Please anwser one question!!-example-1

2 Answers

2 votes
I’m pretty sure D=9 is the answer.
User Tyler V
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5 votes

Answer:

I think d is 9°.......

Explanation:

(6d+8)°+(3d+1)°=90°

d =9°

User Visions
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