3 years ago

Pls HELP I'LL MARK BRAINLEST

Mathematics

2 answers:

Vesnalui [34]3 years ago

6 0

Angles of a triangle add up to 180 degrees and then we take away the right angle
180-90=90
5x+5x=10x
90/10=9
x=9

coldgirl [10]3 years ago

6 0

The answer is d or 10

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