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28 May, 02:36

The length of the hypotenuse, line segment AC, in right triangle ABC is 25cm. The length of line segment is 15cm. Which is a approximate measure of angle ACB

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  1. 28 May, 03:12
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    According to the Pythagorean Theorem,

    hypotenuse^2 = leg^2 + leg^2

    25^2 = 15^2 + leg^2

    625 - 225 = leg^2

    leg = 20

    Since there is NO diagram, I am guessing at what angle ACB is.

    sine (ACB) = 20 / 25 =.8

    arc sine (.8) = 53.13 degrees

    In case it should be the other angle, then it is

    36.87 degrees
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