The perimeter of a circle is 88 cm. Find its diameter and area.
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Answered by
3
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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Answered by
4
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
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