Question

A flagpole casts a shadow s feet long when the angle of elevation of the sun is a. Write an expression to find the height of the flagpole.
The possible answers are:
a. s/tan a
b. s cos a
c. s sin a
d. s/sin a
e. s tan a

Answer 1

If the height is h, the shadow length is given by
h = s tan a
Tp rove this to yourself, draw a triangle with sides that are: (a) the verical flagpole, (b) the level ground and (c) a ray of sunlight passing from the top of the pole to the end of the shadow.

Answer 2

Thanks