Question

The diagram shows a right-angled triangle.

hcm
12 cm
47°
What is the value of h?
Give your answer correct to 1 decimal place.​

Answer 1

you need to use cos

function

Answer 2

`\cos(47 \degree) = (h)/(12) \\ h = 12 \cos(47 \degree) \\ h = 8.2 \: cm`