lethycialee3510 lethycialee3510

13-08-2017
Mathematics

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If the hypotenuse of a right triangle is 30 cm long and one leg is twice as long as the other, how long are the legs of the triangle?

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zakerawilliams zakerawilliams

13-08-2017

30^2=a^2+2(a)^2
900=a^2+4a^2
900=5a^2
180=A^2
6√5=a
a=13.4164cm

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