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Q: What is the area of 11 pi?

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Area of the circle: pi*11^2 = 121*pi square units

Area of the circle: pi*11^2 = 121*pi square units

Entire surface area: (2*pi*121)+(22*pi*23) = = 748*pi square inches

Using 3.14 as Pi the area of circle is: 379.94

There are two ends, each of area {pi}r2 and the side which can be worked out by cutting the cylinder down (from end to end) and unrolling; one length is the cylinder height (h), the other is the circumference of the end (2{pi}r), giving 2{pi}rh. Area = 2x({pi}r2) + 2{pi}rh Area ~= 2x3.14x112 + 2x3.14x11x11 Area ~= 1520.5in2

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Area of the circle: pi*11^2 = 121*pi square units

Area of the circle: pi*11^2 = 121*pi square units

Using 3.14 as Pi the area of circle is: 0

Diameter = 11 inches so area = pi*d2/4 = 95.03 sq inches.Diameter = 11 inches so area = pi*d2/4 = 95.03 sq inches.Diameter = 11 inches so area = pi*d2/4 = 95.03 sq inches.Diameter = 11 inches so area = pi*d2/4 = 95.03 sq inches.

Entire surface area: (2*pi*121)+(22*pi*23) = = 748*pi square inches

measure of central angle/360 degrees = area of sector/area of circle 110 degrees/360 degrees = 40 unit2/ pi r2 unit2 11/36 = 40/pi r2 11 pi r2 = 40 x 36 11 pi r2 = 1,440 r2 = 1,440/11 pi r = square root of 1,440/11 pi r = 20.3 unit approximately

Using 3.14 as Pi the area of circle is: 379.94

Total surface area = (2*pi*112)+(pi*22*11) = 1520.531 square inches rounded to 3 decimal places

Area = pi*radius squared 11 in = pi*r^2 divide both sides by pi 3.50 in = r^2 take square root of each side 1.9 inches = radius

Radius, r = diameter / 2 Then circumference = 2*pi*r and area = pi*r*r

Surface area of a sphere = 4*pi*radius2 Surface area = 4*pi*112 = 1520.530844 square units.

Total surface area = (2*pi*112)+(22*pi*19) = 660*pi square inches

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