Question

Here is a right-angled triangle.

601
XCm
5 cm
Cos 60° = 0.5
b) What is the value of x?
(2)

Answer 1

Hypotenuse = 10 Cm

Explanation:

Given:

θ = 60°

Base = 5 cm

Hypotenuse = x cm

Find:

Hypotenuse

Computation:

Cos θ = Base / Hypotenuse

Cos 60° = 5 / Hypotenuse

0.5 = 5 / Hypotenuse

Hypotenuse = 10 Cm