Question

MEDAL AND FAN !
what is the approximate length of a semicircle with a diameter of 64 meters?

a.100.48m
b.200.96m
c.401.92m
d.1607.68m

Answer 1

the formula for the circumference or length of a semicircle is

Answer 2

(pi)r+d

Answer 3

so you just plug in the values and you get A. i am pretty sure its a

Answer 4

http://mathb.in/12760

Answer 5

D = 64 R = 1/2 D = 32
C = 2 PI R
SEMI = 1/2 PI = 3.142
LENGTH OF 1/2 C =1/2(2)(3.142)(32)

Answer 6

thx guys

Answer 7

@triciaal but you have to add another diameter because you have to close the semicircle