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20 and 1/2 in. (inches)
21 inches equals how many feet?
Simply divide the number of inches by 12.
20 1/4" or 20.25"
1/4 because 4/4 is 100%. 100 divided by 4 is 25 so 25 for each number (in this case, 4)
A circle with a circumference of 25 inches has a radius of about 3.979 inches.
A circle with a radius of 24 cm has a circumference of 150.8 cm
A circle with a radius of 21 units has an area of 1,385.44 square units.
138.23
10 (r = d/2)
12 inches
circumference = 2 x π x radius ⇒ radius = circumference ÷ (2π) = 24π ÷ 2π = 12 units.
Volume = 3,015.92895 in3
circumference = 2 * pi * r ----> pi is a constant in this case circumference = 2 * 3.142 * 10 ------> radius is 1/2 of a diameter So, circumference of this circle is 62.84 inches
If the area of a circle is about 28 square inches the diameter is: about six inches (5.971).
It is 1256.6 sq metres, approx.
do 80 times 28 and u will get your answer