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Using 3.14 as Pi the area of circle is: 254.34

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Kaela Mosciski

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3y ago

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Wiki User

9y ago

Approximately 254.47 mm2

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Q: What is the area of a circle with the radius of 9 millimeters?
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Related questions

What is the area of a circle with a radius of 9 ft?

A circle with a radius of 9 feet has an area of 254.47 square feet.


What happen to the area of circle when the radius is tripled?

If you triple the radius of a circle, the area will increase by 9. Area is proportional to the square of the radius.


What is the area of a circle with a radius of 9 centimeters?

The area of a circle with a radius of nine centimeters is: 254.5 cm2


What is the area of a circle if the radius is 9 In?

Area of a circle of radius r = πr2Area of circle of radius 9 In = π(9)2 = π x 81 , putting value of pi we get= 3.14159625 x 81 = 254.46 sq. In


What is the area of a circle if r9ft?

A circle with a radius of 9 feet has an area of 254.47 square feet.


If The exact area of a circle is 81pi square inches what are the radius and diameter of the circle explain?

The radius is 9 inches because area of circle is pi*9 squared = 81pi square inches and the diameter is twice the radius which is 2*9 = 18 inches


What is the area of a circle with a 9 inch radius?

The area is 254.47 in2


What is the radius of a circle whose area is 254.47 square feet?

The radius is 9 feet.


What happens to the area of a circle if you triple a radius?

When you triple the radius of the circle . . . -- The diameter also triples. -- The circumference also triples. -- The area is multiplied by 9 .


If a circle as the radius of 9 cm what is its area?

The answer is 254.469005cm squared


What is radius of circle with area of 254 meters squared?

9


What happens to the area of a circle when the radius is triple?

The area increases as the square of the radius (or diameter). So if you double the radius you * 4 (quadruple) the area. Treble the radius, you *9 the area.