Question

Find the area of a circle having a circumference of 23 units. Round to the nearest tenth. ​

Answer 1

Answer:

Circle

Solve for area

A≈42.1

C Circumference

23

Unit Conversion:

Using the formulas

A=πr2

C=2πr

Solving forA

A=C2

4π=232

4·π≈42.09648

Answer 2

Answer:

Circumference = 2pieR

R = 23 ÷ 2pie

solve this to get radius and use radius in pieR^2 to get Area...

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