Question

What is the arc measure of a sector with area 38.485 ft2 and radius 7?

Answer 1

@mathmale

Answer 2

@jim_thompson5910

Answer 3

First find the area of the entire circle

Answer 4

A = pi*r^2

Answer 5

Then you use the formula

P = (t/360)*A

where...

P = area of the piece of the circle (or the sector area)
t = central angle (also the arc measure)
A = area of the entire circle

Answer 6

thanks jim :)

Answer 7

you're welcome