Question

Use trigonometry to work out the height, v,

of the equilateral triangle below.
Give your answer in millimetres to 1 d.p.
9.5 mm
v

Answer 1

Answer: 8.2 mm

Explanation:

`\sin 60^(\circ)=(v)/(9.5)\\\\v=9.5 \sin 60^(\circ) \approx \boxed{8.2 \text{ mm}}`