find the area of a sector whose perimeter is 64cm and length of the arc is 44cm
Answers
Answered by
8
Step-by-step explanation:
Let radius of the circle be r and length of arc be l
l = 44 cm
Perimeter of sector = 64
2r + l = 64
2r + 44 = 64
2r = 64 - 44
2r = 20
r = 20/2
r = 10 cm
Area of sector = 1/2 x r x l
= 1/2 x 10 x 44
= 220 square cm
Thus area of the sector = 220 square cm.
Similar questions