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selango wrote:Length of arc ABC=2/3 *(Circumference of circle)
24=2/3*(2*Pi*r)=2/3(pi*d)
pi*d=36 or d=36/pi=11
Pick C
thank you,but can you explain me little bit clear...Rahul@gurome wrote:Angle inscribed by arc AC at the center of circle is twice the angle inscribed at any other point in the circle. So, angle inscribed by arc AC at the center of the circle = 2(60) = 120º
Length of arc ABC = (240/360)*2(pi)(radius) = (2/3)*2(pi)*(r) = 24
We need to find the value of 2(r)
So, 2r = (24 * 3)/(2)*(pi) = 36/(pi) = 11 (appr.)
The correct answer is [spoiler](C)[/spoiler].
Angle inscribed by arc ABC at the center of circle = 240º (as explained earlier)pzazz12 wrote: thank you,but can you explain me little bit clear...
