Question

Help! I'll medal!

Answer 1

A whispering gallery is an enclosed vault in the shape of an ellipse. If a person stands at one of the foci of the whispering gallery and whispers, the whisper can be heard clearly at the other foci of the whispering gallery. A certain whispering gallery has an eccentricity of 0.2 and a semi-major axis of 250 feet. If person A stands at one of the foci of the whispering gallery and whispers, at what distance away from person A must person B stand to hear the whisper clearly?

Answer 2

A) 25 feet
B) 50 feet
C) 75 feet
D) 100 feet

Answer 3

which do u think

Answer 4

C?