Julia uses the shadow of the flagpole to estimate its height. She stands so that the tip of her shadow coincides with the tip of the flagpole?s shadow as shown. Julia is 5 feet tall. The distance from the flagpole to Julia is 28 feet and the distance between the tip of the shadows and Julia is 7 feet. Calculate the height of the flagpole. The diagram is not drawn to scale.
A triangle with base 35 feet. A similar triangle with base 7 feet and height 5 feet.
a.
13 feet
c.
25 feet
b.
980 feet
d.
20 feet