Question

Work out the area of a circle. Take pi to be 3.142 and give your answer to one decimal place. Radius is 4cm

Answer 1

Answer:

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Step-by-step explanation:

Area of circle = pi x r x r

3.142 x 4 x 4 = 50.272

Area of circle = 50.272  ≈ 50 cm squared

Answer 2

Answer:

answer is 50.24

Step-by-step explanation:

Given that, radius of circle is 4cm. have to find area of circle.

formula for area of circle is πr^2.

substituting r value and taking π value as 3.14.

3.14*(4)^2

3.14*16

50.24 sq. cms.

Hope this helps you!!