Answer: r=8in
Step-by-step explanation:
Step-by-step explanation:
Since Shanika is standing near the pole, we can safely assume that the triangle formed by Shanika and her shadow is a smaller version of the triangle formed by the pole and its shadow.
By similar triangles:

The height of the pole is 20ft.
Three because the smaller the a value is, the narrower the graph.
Behold the quotient of F and the product of r,s, and T: <em>F / (r·s·T)</em>