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0 votes
Please bootiful people help this nonsmart person

Please bootiful people help this nonsmart person-example-1
User Petra
by
7.8k points

1 Answer

7 votes

Answer:

9

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°

Please bootiful people help this nonsmart person-example-1
User Csiz
by
8.7k points

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