Question

what is the area of the quadrant of the circle whose circumference is 22cm

Answer 1

circumference=22cm

=>22=2×22/7×r
=>22=44/7×r
=>22×7/44=r
=>r=7/2=3.5cm

area of triangle
=22/7×3.5×3.5
=38.5sq.cm

=1/4 of area=area of qarden

=1/4×38.5
=9.625=area of qarden