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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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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.​

The diagram shows a right-angled triangle. hcm 12 cm 47° What is the value of h? Give-example-1
User Ryryan
by
8.2k points

2 Answers

4 votes

you need to use cos

function

User MJC
by
8.4k points
3 votes

Answer:


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

User Glennsl
by
7.4k points
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