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12 votes
HELP! How do I find out what y equals????

HELP! How do I find out what y equals????-example-1
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User Sooniln
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7.8k points

1 Answer

3 votes

Answer:

42

Explanation:

All of a triangles angles equal 180 degrees. We know that one angle is 48 degrees and 1 angles is 90 degrees. We just have to subtract 138 from 180 to get 42.

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