How long is the other leg if the right triangle has one leg 18 cm long and a hypotenuse 30 cm long?
Aha! This calls for the Pythagorean Theorem! The theorem states that the sum of the squares of the legs of a right triangle is equal to the square of its hypotenuse--a^2+b^2=c^2. When applied to this problem, the third leg is 24 cm. ChaCha for now!
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