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.

asked Apr 7, 2022 175k views

5 votes

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.

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4 votes

you need to use cos

function

MJC answered Apr 9, 2022

by MJC

5.5k points

3 votes

Answer:

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

Glennsl answered Apr 13, 2022

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