Question

The circumference of the Earth is approximately 25,000 miles. Find the diameter of the Earth.
A. 7,957.8 miles
B. 7,958.7 miles
C. 7,958.6 miles
D. 7,957.7 miles

Answer 1

Stringey what's the formula for circumference of a circle?

Answer 2

C= 2pi R

Answer 3

A

Answer 4

Guys let her try it ???

Answer 5

uhh its a guy not a girl

Answer 6

lol

Answer 7

ok tell me what's diameter in terms of radius

Answer 8

D = 2 times radius

Answer 9

so
\[C=\pi\times D\]
C=25000 miles
so
\[25000=\pi \times D\]
\[D=25000/3.14\]
You can calculate D from here

Answer 10

ohh :)