38. If a sector in a circle of radius 10 has an area of 5 , what is the measure of the central angle that forms the sector?
2007-05-31 15:33:48 · 3 answers · asked by bigjoe711 1 in Science & Mathematics ➔ Mathematics
RULE: The central angle is proportional to the area of the sector of the circle.
So if the whole circle is pi * 10^2 in area, which is about 314, and the sector is 5. What is the angle of the sector if the entire circle is 360 deg.
2007-05-31 15:42:56 · answer #1 · answered by cattbarf 7 · 0⤊ 0⤋
go to www.tutor.com and a tutor live on the interent will walk you threw the whole question..step by step. just like talking to someone on A.I.M. it even have a white board for you to draw out and show your work then you can print it out or copy it on to your paper.
2007-05-31 22:42:30 · answer #2 · answered by Anonymous · 0⤊ 0⤋
5.73
2007-05-31 22:46:50 · answer #3 · answered by sutil 3 · 0⤊ 0⤋