construct a triangleBC in which BC=5cm andA=60 degree,AB=3cm.
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r denotes the radius of the circle.
d indicates the diameter of the circle.
c indicates circumference of the circle.
Formulas Related to Circles
The Circle Formulas are expressed as,
Diameter of a CircleD = 2 × rCircumference of a CircleC = 2 × π × rArea of a CircleA = π × r2
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