MrNooby MrNooby

03-10-2018
Mathematics

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musiclover10045 musiclover10045

03-10-2018

The 3 inside angles of a triangle need to equal 180 degrees.

You are given 28 for one.

The second on is adding 58 + 77 = 135 degrees.

X = 180 - 28 - 135 = 17 degrees

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