Question

please help and answer right and I'll do whatever you want

Answer 1

Answer:

10 no

diameter=21 ft

radius=diameter/2

=21/2

=10.5 ft

circumference=2πr

=2*22/7*10.5

=65.94 ft

11 no

radius=diameter/2

=42/2

=21 milimeters

circumference=2πr

=2*22/7*21

=131.88 milimeter

13 no

circumference=2πr

=2*22/7*14

=87.92 cm

Step-by-step explanation:

Answer 2

The answer here would actually be 131.95 or 132 millimeters rounded