Please bootiful people help this nonsmart person

asked May 20, 2022 186k views

0 votes

by Petra

5.4k points

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7 votes

Answer:

Explanation:

the triangle is right angle.

at right angle it makes 90°. therefore;

(3d+1)°+(6d+8)°=90°

3d+1°+6d+8°=90°

9d+9°=90°.

9d=90°-9°

9d=81°

d=81/9

d=9°

Csiz answered May 24, 2022

by Csiz

5.9k points

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