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Q: How many Inches is diameter if radius is 9 yards?

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There are three feet in one yard, so a diameter of two yards is six feet. The radius is half the diameter, so the radius is three feet.

The inches in a diameter = 2 X inches in the radius. Or, inches in a diameter = inches in circumference / pi

18 in

38 inches

1 yard = 36 inches 15.5 yards = 558 inches

Volume = pi * r2 * h = pi * (21/6)2 * (6/36) since 21 foot diameter = 21/2 foot radius = 21/6 yard radius and 6 inches = 6/36 yards so volume = 6.414 cu yards.

Radius is 36/2 = 18 inches

3 feet(im sure.....i think.....)

The diameter of a circle is twice the radius.The diameter of a circle is twice the radius.The diameter of a circle is twice the radius.The diameter of a circle is twice the radius.

you have to quote the diameter or radius or circumference of the circle to calculate the area. If diameter 78.53. If radius 314.15. If circumference 7.95

There is a circular pond whose diameter is 50 yards long, f you walk around this pond, how many yards do you walk?

2 feetdiameter = 2 x radiusdiameter = 2 x 12 inches = 2 x 1 foot = 2 feet

Area of circle of 132 inch diameter = 13684*78 sq inches = 10.56 sq yards.

13.1 cubic yards, approx.

All depends what you mean by 18 inches, is that the circumference, the diameter or the radius

Ok. So the formula would be pi are squared times stroke times number of cylinders. The 396 bore was 4.096 inches, plus .060 inches would be 4.156 inches diameter. Radius would be 2.078 inches (one half the diameter). Radius squared would be 4.318 inches (radius times radius). Times pi (3.14159), that's 13.56 square inches. Times the stroke (3.76 inches) that's 51 cubic inches. Times 8 cylinders, that's 408.05 cubic inches.

Circumference = 2*pi*radius or pi*diameter Circumference = 36pi inches

Use the formula area = pi times radius2 to get the area. The radius is half the diameter. A foot is 12 inches, a square foot is 144 square inches.Use the formula area = pi times radius2 to get the area. The radius is half the diameter. A foot is 12 inches, a square foot is 144 square inches.Use the formula area = pi times radius2 to get the area. The radius is half the diameter. A foot is 12 inches, a square foot is 144 square inches.Use the formula area = pi times radius2 to get the area. The radius is half the diameter. A foot is 12 inches, a square foot is 144 square inches.

The area of a circle is pi × r2. pi = 3.141592653589793 5 feet = 60 inches. The radius is half the diameter so the radius is 30 inches. If you plug 30 inches into the formula you get the answer of 2827.4333882308138 inches for the area of the circle.

The area (A) of a circle is given by the formula A = πr2. As the diameter = 25 inches, then the radius = 12.5 inches. A = π x 12.52 = 490.87 sq inches.

Area of a circle = πr² (remember that r or radius is exactly half of the diameter) Radius therefore = 40/2 = 20 inches Thus the Area = 3.14159 × 20 squared = 1256.636 square inches

diameter = 6.28 inches => radius = 3.14 inches Then volume = pi*r2*h = pi*3.142*6 = 185.85 cubic inches.

The area of a circle = (pi)(radius squared); radius = 1/2 the diameter. Therefore, this circle has an area of (pi)(52) = 79 square inches, to the justified number of significant digits.

Volume of a cylinder is the product of pi times radius squared times height. The volume of a 24 foot diameter cylinder 5 inches in height is approximately 7 cubic yards (pi x 4 x 4 x 5/36 = 6.98 rounded).

A circle's diameter is twice its radius.