Question

The diagram shows a right-angled triangle.
hcm
19°
13 cm
What is the value of h?
Give your answer correct to 1 decimal place.

Answer 1

Answer:

$\cos(19 \degree) = \frac{13}{h} \\ h = \frac{13}{ \cos(19 \degree) } \\ h = 13.7 \: cm$