Question

Find the length of the third side. If necessary, round to the nearest tenth.

Answer 1

≈ 9.2

Explanation:

using Pythagoras' identity in the right triangle

the square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let x be the third side ( hypotenuse ) , then

x² = 7² + 6² = 49 + 36 = 85 ( take square root of both sides )

x =
`√(85)` ≈ 9.2 ( to the nearest tenth )

Answer 2

the question states if necessary, round the nearest tenth and by using the pythagoras theorem the answer should be 10 since its 9.21 and its nearest 10th is 10? im not quite sure though