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How do you express the area of a circle in terms of diameter?
Circle area = pi*r 2 r= D/2 Circle area = pi*(D/2) 2 = (pi/4)*D 2
Help with math how do you get the area of a circle?
Area of a circle is calculated by A=2*p*r where A represents the circle's area and r is the radius of the circle.
What is the formula for finding the area of a semi-circle in terms of pi?
semi means half A semi-circle is half a circle The formula for the area of a circle is A = (Π * r^2) Area of semi circle = (Π * r^2) ÷ 2
What is the area of a circle with a 2-foot diameter?
A 2-foot circle has an area of about 3.141 square feet.
What is the area of the semi-circle above?
to find the area of a semi circle measure the length of the straight edge, divide by 2, square it and multiply by pi. This will give you the area of the circle. To get the area of the semi-circle divide your answer by 2
Formula and result of area of circle?
The formula for the area of a circle is: Area = (pi) x (Radius)2 . When you know the radius of the circle and you use it to calculate the area of the circle, the result will be equal to (pi) x (Radius)2 .
What is the area of a circle with a radius of 1?
Since area of a circle = πr^2, a circle with r=1 would have an area of π.
What is the area of a semi-circle with a radius not r but r divided by 2?
The area of a circle is pi R2The area of 1/2 circle is 1/2 pi R2The 'R' of this half-circle is r/2, so its area is 1/2 pi (r/2)2 = 1/8 pi r2
How do you find the area of a semi-circle if you know the diameter?
A semicircle is 1/2 of a circle. Find the area with the diameter you are given as if you had a whole circle, then divide that answer by 2 to get the area of the semicircle.
What is the area of a circle with the radious of 10.6?
Area of a circle = pi * r^2 = 3.14159(10.6)^2 = 352.989
What is area of a circle with radius of 2 cm?
A circle with a radius of 2 cm has an area of 12.57 square cm.
What is theRelationship between the diameter of a circle and the area of the same circle?
The area of a circle is given by the formula pi*r^2, where r is the radius of the circle. Diameter = 2*r, so: area = pi*(d/2)^2 = (1/4)*pi*d^2
