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What is the answer please

What is the answer please-example-1
User JuanOjeda
by
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1 Answer

6 votes

Answer:

A. 39°

Explanation:

Adjacent angles on a straight line is equal to 180°

Vertical opposite angles are equal to each other

90° + 51° + x = 180°

141° + x° = 180°

x° = 180° - 141°

x° = 39°

User MikeVaughan
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8.2k points