Question

1
40 = 2 * 2 x 2
O Factorise the followin
(i) 32
(vi) 208
(ii)57
(vii765
Let's recall.
Greatest Comm
We are familiar with t
about the​

Answer 1

Answer:

refer to the attachment

Answer 2

Answer:

The area of the circular sheet with 4cm radius is,

A=πr

2

=16π

The area of the circular sheet with 3cm radius is,

A=πr

2

=9π

Since the circle with radius 3cm is removed, then the remaining area is,

A=16π−9π

=7π

=7×3.14

=21.98cm

2