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What is the measurement of the angle?

2007-06-17 02:39:26 · 2 answers · asked by Mega 1 in Science & Mathematics Mathematics

2 answers

Angle = A
complement = 90 - A
Supplement = 180-A

3*(90-A) = (180-A)+20
270 - 3A = 200 - A
70 = 2A

2007-06-17 02:44:37 · answer #1 · answered by Raymond 7 · 0 0

let the anglebe x.
3*90-x)=20+(180-x).
270-3x=20+180-x
2x=270-200
2x=70
x=35 degrees. verify OK.

2007-06-17 09:49:59 · answer #2 · answered by Anonymous · 0 0

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