Question

The perimeter of a circle is 88 cm. Find its diameter and area.​

Answer 1

Step-by-step explanation:

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Circle

Solve for diameter

d≈28.01cm

C Circumference

88

cm

Using the formulas

C=2πr

d=2r

Solving ford

d=C

π=88

π≈28.01127cm

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Answer 2

Perimeter of a circle = 2πr

88 = 2 × 3.14 × r

r = 6.28 / 88

r = 0.071 cm

____________

Area = πr²

Area = 3.14 × 0.22294 = 0.01582874 cm

_______

Diameter = 2r

Diameter = 2 × 0.071

Diameter = 0.142 cm