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Apply the Triangle Sum Theorem, and solve for x.

5x° (Angle G)
4xº(Angle H)
3xº(Angle J)

User MGLondon
by
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1 Answer

6 votes

Answer:

15°

Explanation:

5x°+4x°+3x°=180°

12x°=180°

X=(180/12)°

X=15°

User Terrianne
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