add the radius.
so you get 5in.
i hope it help
if need more just
ask. i am in 4th grade but i know 8th grade. so you can be safe
The circumference of a circle with a 20.5 inch diameter is 64.4 inches.
The area of a circle that has an 8.5 inch diameter is: 56.75 square inches.
The approximate area of a circle with a 12-inch diameter is: 113 square inches.
A 72-inch diameter circle has an area of: 28.3 square feet.
A 4-inch diameter circle has an area of 12.566 square inches.
490.9 square inches for a 25-inch diameter circle.
Diameter of circle: 25/pi = 8 inches rounded to the nearest whole number
Calculate the radius, which is simply 1/2 the diameter. Then use the standard formula for the area of a circle. ________________________________________________________________ The circle area = (pi) x diameter / 4 = 3.14 x 25/4 = 19.625 Sq inch
A circle with a 12 inch diameter has a 6 inch radius.
The circumference of a six-inch diameter circle is: 18.8 inches.
The circumference of a circle with a 39 inch diameter is 122.52 inches.
The circumference of 9 inch diameter circle is about 28.27 inches.
The circumference of a circle with a 20.5 inch diameter is 64.4 inches.
The Diameter of a Circle is twice the Radius.thus for a 52 inch Diameter Circle the Radius will be 52/2=26 inches.
The circumference of a 10-inch diameter circle is: 31.4 inches.
The circumference of a circle with a diameter of 25 is: 78.54
The area of a circle that has an 8.5 inch diameter is: 56.75 square inches.