Question

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Answer 1

Answer:

1) radius =3 cm

diameter 9 cm

circumference =18.84 cm

area =28.26

2) radius = 6

diameter=12

circumference=37.68

area =113.04

3) radius = 9

diameter=18

circumference=56.52

area =254.34

Answer 2

Answer:

1) radius = 3cm

diameter= 6cm

circumference= 18.84

area= 28.26

2) radius = 6in

diameter= 12in

circumference= 37.68in

area = 1356.48in

3) radius = 9mm

diameter = 18mm

circumference= 56.52mm

area = 254.34mm

4)radius = 2.4cm

diameter 4.8cm

circumference = 15.072cm

area = 18.086cm

5) radius = 3.5cm

Diameter = 7cm

circumference = 21.98cm

area = 38.46cm

6) radius = 7cm

diameter = 14cm

circumference= 43.96cm

area = 153.86

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