Question

iv)
in the figure, radius of the
circle is 7 cm and m (arc MBN) = 60°,
find a) Area of the circle.
b) A (O - MBN)
c) A(O - MCN)
N​

Answer 1

Answer:

A(O-MBN)=25.66cm2

Step-by-step explanation:

theta/360×pi ×r2

60/360×22/7×7×7

1/6×22×7

154/6

25.66= 25.67 cm2

A(CIRCLE) =Pi ×r2

=22/7×7×7

=22×7

=154cm2

A(O-MCN) =A(CIRCLE) -A(O-MBN)

=154-25.67

=128.33cm2