2. Find the area of the circle using the formula
A= ½ Circumference x radius
3. Find the area of the circle using the formula
A = ∏r 2
Diameter-10cm
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2. Find the area of the circle using the formula
A= ½ Circumference x radius
3. Find the area of the circle using the formula
A = ∏r 2
Diameter-10cm
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2.)
Circumference: 31.40 cm or 31.4 cm
C = π × d
= 3.14 × 10cm
= 31.40 cm/ 31.4 cm
Area: 76.5 cm²
A = ½ C × r
= ½ 31.4cm × 5cm
= ½ 157cm
= 78.5 cm²
3.)
Area: 78.50 cm² or 78.5 cm²
A = π × r²
= 3.14 × (5cm)²
= 3.14 × 25cm
= 78.50 cm²/ 78.5 cm²