Construct a right triangle when one side is 4 cm and sum of the other side and hypotenuse is 8cm

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Mathematics

Guest

14 August, 17:16

Construct a right triangle when one side is 4 cm and sum of the other side and hypotenuse is 8cm

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Answers (1)

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Taylor Tucker · Answer 1

4^2 + x^2 = (8 - x) ^2

16 + x^2 = 64 - 16x + x^2 the two x^2 cancel out

16 = 64 - 16x

- 48 = - 16x

x = 3

check

4^2 + 3^2 = (8 - 3) ^2

16 + 9 = 5^2

25 = 25