vivianrush

2.
The measure of two complementary angles is in the ratio 1 : 4. What are the degree measures of the two angles?
45° and 135°
23° and 68°
36° and 144°
18° and 72°

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cwrw238

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let the 2 angles be x and 4x
so
x + 4x = 90
solve for x and you'l get it

vivianrush

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x would be 18

cwrw238

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right so one angle is 18 degtees and the other is 4 times 18

vivianrush

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which is 72

vivianrush

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so D

cwrw238

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right

vivianrush

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thank you!

cwrw238

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yw