Question

6. Draw a diagram to help you with this question.

A television totter is 30 m high.
a) How long is the shadow when the sun is at an angle of elevation
of 60°?
b) How long is the shadow when the sun is at an angle of elevation
of 45°?​

Answer 1

Explanation:

`a)\\ tan60=(30)/(s)\\ \\ s=(30)/(tan60)\\ \\ s=(30)/(√(3))\\ \\ s=10√(3)m\\ \\ s\approx 17.32m\\ \\ b)\\ \\ tan45=(30)/(s)\\ \\ s=(30)/(tan45)\\ \\ s=30m`