Question

Area of sector whose perimeter and length of arc given

Answer 1

Answer:

Since you have the perimeter, equate it to 2 × pi × r, to get the radius.

Next, you have the length of arc, so you may now find the angle subtended by it, by the formula, l/r = Theta,

Now, use the formula,

area of a sector = 1/2 × r^2 × theta

I hope you understood :)