Question

The diagram shows a right-angled triangle.

9 cm
23°
hcm
What is the value of h?
Give your answer correct to 1 decimal place.

Answer 1

21.2 cm is the right answer.

Explanation:

tan(θ)=o/a

tan(23)=17/x

divided by x on both sides to equal

x(letter) x tan(23)=17

and then on the calculator you type in 17/tan(23)

=21.20267129 cm

to 1 s.f= 21.2 cm

Answer 2

Maybe try 23-9. Or maybe the answer is 23, hopefully this helped.

Explanation: