3 years ago

Please help me w/ this geometry question. image attached.

Mathematics

1 answer:

patriot [66]3 years ago

7 0

Angle 3 = angle 7 [alternate angles]
=> 4x+1 = 2x + 21
=> 4x-2x = 21-1
=> 2x = 20
=> x = 20/2
=> x = 10

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