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What is the area of a circle with the radius of 100?
The area of a circle can be calculated using the formula A = πr^2, where A is the area, π is a constant approximately equal to 3.14159, and r is the radius of the circle. Given a radius of 100, the area of the circle would be A = π(100)^2 = 10000π square units. This simplifies to approximately 31415.9 square units.
If a circle has a radius of 100 miles what is the diameter?
Its diameter will be: 2*100 = 200 miles
What is the area of a circle with a circumference of 100?
First find the radius and then the area will be pi*radius2 circumference = 2*pi*radius = 100 units radius = 100 divided by 2*pi = 15.91549431 units area = pi*15.915494312 = 795.7747155 square units So the area of the circle is 796 square units correct to three significant figures.
What is the circumference of a circle whose area is 100 pi?
The formula for finding the area of a circle is pi times the radius squared. Let's find the radius of the circle. 100 pi/ pi= 100. Squarerooted, the radius is 10. The formula for finding the circumference of a circle is 2 times pi times the radius. So, plug in: 2 times pi times 10 equals 20 pi! Your final answer: 20 pi (or, if you use decimals, approximately 62.8)
How big is a circle to be 100 sq ft?
5.6433 ft radius or 11.2866 diameter
