The formula for finding the area of a circle is A= pi r2. Square the radius then multiply it by pi. For your instance, 2.5 squared is 6.25. 6.25 x pi= 19.634...
The area of a circle with the radius of 2.5 is 19.634...
Area = Pi(r)2 - A circle with a radius of 25 inches has an area of 1,963.5 square inches.
The formual for area is: A = πr2 so the area of circle A (assuming π=3.142) is 28.278cm2, and the area of circle B is 50.272cm2.Their combined area of 78.55cm2 is the area of circle C.The formula for radius is: square root of A/π78.55 ÷ 3.142 = 25, the square root of 25 is 5The radius of circle C is 5cmArea of Circle A = π32 = 9πArea of Circle B = π42 = 16πArea of Circle C = 9π + 16π = 25πLet r = radius of Circle C thenπr2 = 25π : r2 = 25 : r = 5.
The area of a circle if the radius is 9m 254.5m2
The radius of a circle with the area of 36 is 3.385
pi*25 = 78.5.
A circle with a radius of 25 cm has an area of 1,963.5 square cm.
Area = Pi(r)2 - A circle with a radius of 25 inches has an area of 1,963.5 square inches.
If you mean area of a circle with a radius of 25 cm then it is:- Area = pi*252 = 1963.495 square cm to 3 decimal places
yes
A circle with a radius of 12.5 feet (25/2) has an area of 490.87 square feet.
The formual for area is: A = πr2 so the area of circle A (assuming π=3.142) is 28.278cm2, and the area of circle B is 50.272cm2.Their combined area of 78.55cm2 is the area of circle C.The formula for radius is: square root of A/π78.55 ÷ 3.142 = 25, the square root of 25 is 5The radius of circle C is 5cmArea of Circle A = π32 = 9πArea of Circle B = π42 = 16πArea of Circle C = 9π + 16π = 25πLet r = radius of Circle C thenπr2 = 25π : r2 = 25 : r = 5.
1963.5 square units.
25/16
the formula for the area of a circle is pi r2 (pie are square). r is the radius. examples: radius of circle is 5. pi 52 = pi 25 = 78.53
625 pi = 1,963.5 (rounded)
Area = (pi) (radius)2 = 25 pi = 78.54 square units (rounded)
The circumference of a circle if radius is 25 is about 157.1