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Three circles of radius 3.5 cm are placed in such a way that each circle touch as the other two the area of the portion enclosed by the circle is????? A)1.967cm2 B)1.975cm2 C)19.67cm2 D)21.21cm2

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There is no single, correct, answer to this question.
For example, if the three circles overlap 99%,
then the combined area will only be about 1% larger
than the area of a single circle.

If the circles only slightly overlap, then the combined area will be much larger than the area of one circle.

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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A circle with a radius of 3 kilometers


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A circle with a radius of 3 kilometers has a perimeter of about 18.85 kilometers and an area of about 28.27 square kilometers.

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(pi)R squared (Fixya won't let me use the sign for Pi)

Area of a circle=pi*radius^2 or pi times radius times radius

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A circle has a radius of 4.5 inches. If the radius of the circle is doubled, does the area of the circle double as well


Try it. Area is equal to pi (3.1417) multiplied by the square of the radius.

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If you know about area formulas of class 8 and 9,please solve my question?there is a circle.in the between of the circle,there is a rectangle of dimension 4cm and 3cm.if the rectangle will cut out what...


The diameter of the circle is the diagonal of the rectangle use Pythagoras this rectangle is a made from two 3,4,5 triangles, so the diameter is 5cm, the radius will be 2.5cm don't forget the BODMAS ordering rule (Brackets of Division Multiplication Addition and Subtraction) Also rounding to 2 decimal places. This solution is based on all four corners of the rectangle touching the circumference of the circle.

Area of a circle is P (22/7) i x Radius (squared ^2) ====> 22/7 x 2.5cm ^ 2 ====> 22/7 x 6.25cm

TOTAL AREA of CIRCLE = 19.64 cm^2

Area of the rectangle is length x width ====> 4 cm x 3 cm

TOTAL AREA of RECTANGLE = 12 cm ^2

The remaining portion is the circle area minus the rectangle 19.64-12 = 7.64 cm^2


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how big is the triangle? if the coins are a mile in diameter doesnt mean you cant have an equilateral triangle with legs of 32 miles long.

or are you asking for the equation?

i will send you on the path to the equation.

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its important to know where the center is because the center of the circle to the edge of the circle is the radius.

so the center of a triangle is the center of the circle. therfeore the radius of the circle will equal hieght/2...

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How to calculate surface area using a casio fx -83 ES


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What is the area of a semi circle the diameter is 2.500mm the radious is .425mm the circumfrence is 3000mm


You cannot have a semicircle that has a diameter of 2.500 mm and a radius of .425mm and a circumference of 3000mm

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The radius of a circle is always 1/2 the diameter

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Loringh

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