Question

Is QRS a right triangle? Why or why not?

Answer 1

The answer is C I hope

Answer 2

C

Explanation:

Using Pythagoras' identity to determine if the triangle is right

The square of the longest side should equal the sum of the squares on the other 2 sides, that is

QS² = RS² + QR² = 8² + 5² = 64 + 25 = 89 ( take the square root of both sides )

QS =
`√(89)`

Δ QRS is not right as QS would have to be
`√(89)`