Question

Need help with this angle question, please help

A. 7.5
B. 8.7
C. 13.0
D. 26.0

Answer 1

8.7 m
Option B

Explanation:

The tree, the shadow and the line of sight from the tip of the shadow to the top of the tree form a right triangle

The angle formed is 30°

Using the relationship

`\tan 30 = (h)/(15)`

we get

`h = 15 * \tan 30`

`h = 15 * (1)/(√(3))`

`h = 8.66 m`

Rounded up this would be 8.7 m which is option B