how to find radius?..
Answers
Answer:
The radius of a circle can be found using the three basic radius formulas i.e., when the diameter, the area, or the circumference is known. Let us use these formulas to find the radius of a circle.
When the diameter is known, the formula is Radius = Diameter/ 2.
When the circumference is known, the formula is Radius = Circumference/2π.
When the area is known, the formula for the radius is Radius = ⎷(Area of the circle/π).
For example, if the diameter is given as 24 units, then the radius is 24/2 = 12 units. If the circumference of a circle is given as 44 units, then its radius can be calculated as 44/2π. This implies, (44×7)/(2×22) = 7 units. And, if the area of a circle is given as 616 square units, then the radius is ⎷(616×7)/22 = ⎷28×7 = ⎷196 = 14 units.
Source: cuemath
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Step-by-step explanation:
IF U KNOW DIAMETER DIVIDE DIAMETER /2
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