Question

Question with diagram​

Answer 1

Step-by-step explanation:

Yellow circle radius=2cm

Red circle radius =2×2cm

=4cm

Area of circle =πr^2

=3.14×16

=314/100×16

=5024/100

=50.24cm^2

Blue circle radius = 4×2cm

=8cm

Area of circle=πr^2

=3.14×64

=314/100×64

=20096/100

=200.96 cm^2

Black circle radius=8×2cm

=16cm

Area of circle=πr^2

=3.14×256

=314/100×256

=80384/100

=803.84cm^2

Answer 2

Answer:

2cm

Step-by-step explanation: