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Mathematics
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5 stepsWhat is the formula for the area of a circle?
The formula for the area of a circle is A = πr², where r is the radius of the circle.
How do you find the circumference of a circle?
The circumference of a circle can be found using the formula C = 2πr, where r is the radius.
What is the relationship between the diameter and the radius?
The diameter (d) of a circle is twice the radius (r). This can be expressed as d = 2r.
What is the value of π?
The value of π is approximately 3.14, but it is an irrational number, meaning it has an infinite number of decimal places.
How do you calculate the area of a sector of a circle?
The area of a sector can be calculated using the formula A = (θ/360) × πr², where θ is the angle in degrees and r is the radius.
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