Question

What is the area of a sector with radius 4 and an angle of 18°? Use 3.14 for pi.

Answer 1

Sector area(A) = (Ѳ/360)∏r^2

r = 4 ,Ѳ = 18degrees

A = (18/360)3.14*16

A = (0.05)50.24

A = 2.512