You are visiting the unisphere at flushing meadow park in new york. to estimate the height of the stainless steel model of earth, you place a mirror on the ground and stand where you can see the top of the model in the mirror. the unisphere is 100 feet from the mirror and you are standing 4 feet from the mirror. if your height is 5.6 feet, what is the estimated height of the unisphere?

a. 140 feet

c. 2,240 feet

b. 22.4 feet

d. 71 feet