Question

find the radius and circumference of a circle whose area is 55.44 m2

Answer 1

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Answer 2

✨Answer:

Radius = 4.2 cm and Circumference = 26.4 cm.

✨Step-by-step explanation:

➡️ Area of circle = pi ☓ r^2

55.44 = 22/7 ☓ r^2

r^2 = 55.44 ☓ 7/22

r^2 = 2.52 ☓ 7

r^2 = 17. 64

✔️r = 4.2 cm

Now,

Circumference = 2 ☓ pi ☓ r

Circumference = 2 ☓ 22/7 ☓ 4.2

✔️Circumference = 26.4 cm.

➡️ RADIUS = 4. 2 CM AND CIRCUMFERENCE = 26.4 CM