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thomas49th
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[URGENT] Differentiation of Geomertic Objects
A sector of a circle has area 100cm². Show that the perimeter of this sector is given by te formula P = 2r + 200/r
Area of sector = (angle/360) x pi x r^2
Permiter of sector = (angle/360) x 2 pi x r
I've tried but i don't really have time to write it all out. Can someone just show me how to do this one, so that i can try the other questions in the chapter
Thanks
Homework Statement
A sector of a circle has area 100cm². Show that the perimeter of this sector is given by te formula P = 2r + 200/r
Homework Equations
Area of sector = (angle/360) x pi x r^2
Permiter of sector = (angle/360) x 2 pi x r
The Attempt at a Solution
I've tried but i don't really have time to write it all out. Can someone just show me how to do this one, so that i can try the other questions in the chapter
Thanks