Question

Which set of side lengths form a right triangle?

7 cm, 8 cm, 10 cm

10 cm, 6 cm, 8 cm

3 ft, 6 ft, 5 ft

14 m, 20 m, 25 m

Answer 1

Answer is 7cm,8cm,10cm

Explanation:

A^2+B^2=C^2

Answer 2

10 cm, 6 cm, 8 cm

Explanation:

`{a}^(2) + {b}^(2) = {c}^(2)`

`a = 6 \: \: \: \: \: \: \: b = 8 \: \: \: \: \: \: \: c = 10 \: \: \: \: or \: \: \: \\ a = 8\: \: \: \: \: \: \: b = 6 \: \: \: \: \: \: \: c = 10 \: \: \: \:`

`{6}^(2) + {8}^(2) = {c}^(2)`

`c = \sqrt{ {6}^(2) + {8}^(2) }`

`c = √(36 + 64)`

`c = √(100)`

`c = 10`