Question

2

Find the length of the missing side. Choose the correct answer in simplest radical form.
7
Sin
8 in
7mn
Not drawn to scale
А
V17 m
B
113 m
113 m
m
с
D
71 m

Answer 1

C

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 hypotenuse , then

x² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

x =
`√(113)`