That's easy - 10. Or did you mean circumference or area?
5,2
The area of a circle with a diameter of 10 centimeters is: 78.54 cm2
The area of a circle that has a 10 ft diameter is: 78.54 square feet.
For a circle where sector measures 10 degrees and the diameter of the circle is 12: Sector area = 3.142 square units.
The area of a circle whose diameter is 10 cm is: 78.54 cm2
The area of a circle is A = pi times diameter² / 4. Given diameter d = 10 inches. Area A = 78.5398 inches².
A 10-inch circle has an area of 78.54 inches2
Area of the circle is about 10 square units
25 pi
78.53981634 square units
If 10 diameter means 10 ft diameter then the area is 78.54 sq.ft.