Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?

Find measure of central angle of the sector whose perimeter is 25 cm a

1.	Find measure of central angle of the sector whose perimeter is 25 cm and radius of the circle is 7 cm?
A.	45Â°
B.	22.5Â°
C.	135Â°
D.	90Â°
Answer» E.