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Area(A)/ Area(B) = pi*rA2/pi*rB2 = rA2/rB2 = 16/81

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โˆ™ 2012-03-08 14:57:01
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Circle A has radius 4 feet circle B has radius 9 feet What is the ratio of the area of circle A to the area of circle B?
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Related questions

How do you find ratio of area to radius?

In a circle, the area of the circle is pi times the radius squared


What is the ratio of a circle with a radius of 8cm?

It depends on the ratio of what of the circle? Its circumference, diameter, area?


How do you find the area of a circle when the radius is unknown?

By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.


What is the ratio of the area of a circle to the area of a square when one side of the square is the radius of the circle?

Let's call the number 'K' ... the side of the square and the radius of the circle.-- the area of the square is [ K2 ]-- the area of the circle is [ (pi) K2 ]-- The ratio of the circle to the square is [(pi) K2 / K2 ] = pi


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What is the ratio of a circle's circumference called?

The ratio of a circle's circumference to its area is called the reciprocal of half the radius. The ratio of the circumference to its radius is called two times pi.


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The answer depends on what the ratio is relative to!The ratio of a circumference to the area of a circle is half the radius.


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The area of a circle if the radius is 9m 254.5m2


What is the area of a circle with the radius of 14.4?

The area of a circle with a radius of 14.4 is 651.4


What is the area of a circle with the radius of 21?

The area of a circle of radius 21 is 1386


What is the radius of a circle with the area of 36?

The radius of a circle with the area of 36 is 3.385


What is the area of circle with a radius of 35?

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How do you get the area of a cylinder base in fifth grade math.?

The base of a cylinder is a circle. So we can use the area formula for a circle. Area = πr2 where r is the radius of the circle, and pi is the ratio of the circumference of the circle to its diameter.


What is the area of a circle if the radius is 7yd?

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A circle with a radius of 10m has an area of 314.16 m2


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If the radius of a circle with an area of 120 mm squared is multiplied by 3 what is the area of the new circle?

In ratios, the ratios of areas is the square of the ratio of sides. Consider the original circle and the new larger circle formed by multiplying its radius (length) by 3: The circles have lengths in the ratio 1 : 3 → the circle have areas in the ratio 1² : 3² = 1 : 9 → The larger circle's area is 9 × 120 mm² = 1080 mm²


What is the ratio between radius and area for a circle?

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What is the radius of a circle if the area is 153.86cm2?

The area of a circle is 153.86cmยฒ.find the radius of the circle


What is the area of a circle if the radius of the circle 14 feet?

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What is the area of a circle if the radius of a circle is 4752?

The circle's area is 70,900,000 square units.