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How do you find the area of a circle given the radius of a circle?
Find the circumference of a circle with radius 5 ft.Area of a circle. The area of a circle of radius r is given by the polynomial πr2. Use 3.14 as an approximation for π.
What is the circumference of a rectangle?
It depends on the size....circumference is the length of the sides (combined) so it just depends how big the rectangle is
How much longer is the circumference of a 12 inches diameter pizza have than an 8 inches diameter pizza?
Circumference of a circle = pi DCircumference of the big one = 12 piCircumference of the small one = 8 piDifference = (12 pi - 8 pi) = (12 - 8) pi = 4 pi = 12.5664 inches (rounded)
How many degrees in a circle?
360 degrees are in a circle no matter how big or small the circle is A circle has 360 degrees.
What is the a compass in math?
In math a compass is an object used to draw accurate circles and arcs (parts of circles, or curves). In math, a compass is something that makes a circle and it also measures circumference. How to make a circle: A compass either has led in it or you stick a pencil in it, but it depends on what kind of compass it is. If you want to make a big circle, you expand the 2 sides. when you get it to the size you want, you stick it on paper and twirl it around. It may not be a perfect circle but it most likely will be close.
