One of the corners of a right-angled triangle = 60 °, and the hypotenuse + the smaller leg = 42 cm. Find the hypotenuse.
| December 30, 2020 | education
Consider a triangle ABC where the angle is A = 90 degrees. If angle B = 60, then angle C = 180- (90 + 60) = 30. The leg opposite to an angle of 30 degrees is equal to the hypotenuse. AB – smaller leg.
By condition AB + BC = 42
ВС = 2АВ
2AB + AB = 42
3AB = 42
AB = 14
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