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What is the value of x? (5 points)

A right angle is shown divided into two parts. The measure of one part of the right angle is 10 degrees. The measure of the other part is 2x

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angstar4
A right angle measures 90 degrees.
The angle is broken into to parts, 10 degrees and 2x.

90 = 2x + 10

Subtract 10:
80 = 2x

Divide by 2:

x = 40

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