Question

plz help to solve me​

Answer 1

Answer:

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Step-by-step explanation:

1st answer-Radius -

Radius = √

A

π

= 5.6418958354776

Diameter = √

4A

π

= 11.283791670955

Circumference = 2√πA = 35.44907701811

Answer 2

Answer:

A.   18.85

B.   62.83

Step-by-step explanation:

A. Diameter =6cm

∴radius =3 cm

circumference =2πr

=2×22/7×3

=18.85

B. Diameter =20cm

∴ radius =10cm

circumference =2πr

=2×22/7×10

=62.83