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Plzzzzz help it's an exam !!! In triangle HIJ, m
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Plzzzzz help it's an exam !!! In triangle HIJ, m

Plzzzzz help it's an exam !!! In triangle HIJ, m-example-1
User Josh Paradroid
by
6.7k points

1 Answer

4 votes

Answer:

84

Explanation:

(3× + 12)+ (5× +9) +(2× +9) = 180degrees

10× + 30 = 180

10× = 180-30

× = 15

5×15+9 = 84

User Tet
by
7.3k points
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