Answer:
Diameter of a Circle D = 2 × r
Circumference of a Circle C = 2 × π × r
Area of a Circle A = π × r2
Step-by-step explanation:
Area = π r^2
Circumference = 2π r
Diameter = r × 2
Radius = diameter ÷ 2
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Answer:
Diameter of a Circle D = 2 × r
Circumference of a Circle C = 2 × π × r
Area of a Circle A = π × r2
Step-by-step explanation:
Area = π r^2
Circumference = 2π r
Diameter = r × 2
Radius = diameter ÷ 2