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Find the measure of an angle …

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Find the measure of an angle if it is 14° less than three times its complement.

Posted by Srushti Kuckian 6 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 6 years, 3 months ago

Lets call the angle x. Its complement would be 90-x, and its supplement would be 180-x.
supplement=3*complement-14
180-x=3*(90-x)-14
180-x=270-3x-14
194=270-2x
2x=26
x=13
complement =90-x=90-13=77

2Thank You

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