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17 August, 19:46

One angle of a right triangle measures 20°. What is the measure of the other acute angle?

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  1. 17 August, 20:12
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    Step-by-step explanation:

    Sum all the angles of triangle = 180

    One angle is 90 as it is a right angle. Take the unknown angle as X.

    90 + 20 + x = 180

    110 + x = 180

    x = 180 - 110

    x = 70
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