find the area and circumference of circle of diameter 91 cm
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Answered by
4
circumference =285.7
area =6500.78
area =6500.78
Answered by
6
Area of the circle = π × 2 × radius
Since, diameter ÷ 2 = radius
or 91 cm ÷ 2 = radius
or 45.5 cm = radius
Area of the circle = π × 2 × radius
= 3.14 × 2 × 45.5 cm
= 3.14 × 91 cm
=285.88 cm
Circumference of the circle = π × radius²
= 3.14 × 45.5 cm²
= 3.14 × 2070.25 cm
= 6503.88 cm
Since, diameter ÷ 2 = radius
or 91 cm ÷ 2 = radius
or 45.5 cm = radius
Area of the circle = π × 2 × radius
= 3.14 × 2 × 45.5 cm
= 3.14 × 91 cm
=285.88 cm
Circumference of the circle = π × radius²
= 3.14 × 45.5 cm²
= 3.14 × 2070.25 cm
= 6503.88 cm
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