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4 December, 09:42

The measurement of an angle of a right triangle is 40° and the leg opposite to this angle is 5 cm long. what is the length, in cm, of the other leg?

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  1. 4 December, 10:44
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    Sine 40 = 5 / hypotenuse

    0.64279 = 5 / hypotenuse

    hypotenuse = 5 / 0.64279

    hypotenuse = 7.7786

    tangent (50) = opp / adj

    tangent (50) = opposite / 5

    1.1918 * 5 = opposite

    opposite side = 5.959
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