paolaparra685 paolaparra685

06-01-2022
Mathematics

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Аноним Аноним

07-01-2022

Diameter = 51 cm
Radius (r) = 51 cm ÷ 2 = 25.5 cm
π = 3.14
Circumference
= 2πr
= 2 × 3.14 × 25.5 cm
= 160.14 cm
Area of a circle
= πr^2
= 3.14 × (25.5)^2 cm^2
= 3.14 × 25.5 × 25.5 cm^2
= 2041.785 cm^2

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