need help with a math problem...?

0 ⤊

need help with a math problem...?

suppose that city A is 3335 km north of city B & that on June 21, the angle of the sun's rays in city B is 30 degrees. using Eratosthenes's method, find the circumference of the earth....

how do i do this?

2006-09-13 10:03:12 · 3 answers · asked by Samantha Avansworth 2 in Education & Reference ➔ Homework Help

3 answers

You need a bit more info:
At the same time, the angle in city a is directly overhead. Then use

30/360 = d/circumference
1/12=3335/circumference
c=3335*12
c=40,020km
relatively close

2006-09-13 10:13:56 · answer #1 · answered by odu83 7 · 0⤊ 0⤋

8 feet

2006-09-13 17:10:20 · answer #2 · answered by dirtmerchant_12b 3 · 0⤊ 0⤋

i'm an english major not a math major...sorry

2006-09-13 17:10:47 · answer #3 · answered by moondog202001 2 · 0⤊ 0⤋