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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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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?

User Son Lam
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1 Answer

6 votes
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









The measurement of an angle of a right triangle is 40° and the leg opposite to this-example-1
User Xdavidliu
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