A right triangle has a leg of 13 cm and a hypotenuse of 21 cm. What is the length of the other leg? Round to the nearest tenth.

8.0 cm

16.5 cm

4.7 cm

272.0 cm

Question

23 August, 21:49

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Answers (1)

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Myla Green · Answer 1

A^2+b^2=C^2

13^2+b^2=21^2

169+b^2=441 collect the like terms

b^2=441-169

b^2=272 get the square root of b and 272

b=16.492422

b=16.5 choice B

A right triangle has a leg of 13 cm and a hypotenuse of 21 cm. What is the length of the other leg? Round to the nearest tenth.8.0 cm16.5 cm4.7 cm272.0 cm