this is wat it says:the radius of a circular flower garden is 4 meters.how many meters of edging will be needed ti surround the garden?
2006-08-27 04:07:40 · 12 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
You really should learn your lessons well , this Yahoo answer is not about students who can't solve their eeeeeasy math questions !!
2006-08-27 05:17:52 · answer #1 · answered by shady 3 · 0⤊ 0⤋
The edging required will be the same as the circumference of the circular garden...
the formula for the circumference of circle is = 2*3.14157*r
(where 'r' is the radius of circle) so putting the given value of radius in the formula the required answer is 25.13 meters.
2006-08-27 04:17:56 · answer #2 · answered by ifureadthisur2close 2 · 1⤊ 0⤋
use the equation 2 (pi) r = C, where c = circumference. 2(4)=8. You will need ~25.12 meters of edging because 8*pi ~25.12 when you have pi = 3.14.
2006-08-27 07:13:54 · answer #3 · answered by Linda O'Chuffy 2 · 0⤊ 0⤋
you are after circumference
C = 2*pi*R where pi approx = 22/7
hence C = 2*22/7*4 = 25 and a bit
so you better buy at least 50 metres just to be safe
2006-08-27 04:20:12 · answer #4 · answered by wimafrobor 2 · 0⤊ 0⤋
Ditto on what sam said. The circumference of a circle is
c=2πr where r is the radius of the circle (just like it says somewhere in your book, if you'd trouble yourself to read it). Now dig out your calculator and get busy.
Doug
2006-08-27 04:16:06 · answer #5 · answered by doug_donaghue 7 · 0⤊ 0⤋
its easy, just find out the circumference using the formula- 2*3.14*radius
i.e.2*3.14*4= 25.12m.
2006-08-27 04:16:16 · answer #6 · answered by Napster 2 · 0⤊ 0⤋
its the circumfrence i don't the formaula 4 that
2006-08-27 04:16:42 · answer #7 · answered by SdM 4 · 0⤊ 0⤋
You not only need help in math, but your spelling isn't all that great either.
2006-08-27 04:12:16 · answer #8 · answered by Anonymous · 1⤊ 1⤋
2*3.14*4 = ~25.12
2006-08-27 04:18:07 · answer #9 · answered by GR111 2 · 0⤊ 0⤋
about 25.12 meters
2006-08-27 04:13:35 · answer #10 · answered by Anonymous · 0⤊ 0⤋