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The radius is a lenght, and it's impossible to find out the radius if you don't give any information about the size of your circle.

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14y ago

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In a circle a 90 degree sector has has area 36 pi ft squared what is the radius of the circle?

The radius is 12


What is the radius of a circle if it had a 90 degree sector and an area if 64pi?

From your question, we can't tell whether [ 64 pi ] is the area of the circleor the sector.The area of a circle is [ pi R2 ].If [ 64 pi ] is the area of the circle, then the radius is [ 8 ], and we don't careabout the sector.If [ 64 pi ] is the area of the sector, then the area of the full circle is [ 256 pi ](because the 90-degree sector is 1/4 of the circle), and the radius is [ 16 ].


What is the radius of 90m.?

The radius of a circle is half of its diameter. If you are referring to a circle with a diameter of 90 meters, then the radius would be 45 meters. If 90 meters is already specified as the radius, then the radius is simply 90 meters.


What does perpendicular mean mathematicalywhat is radius?

Perpindicular lines are like the lines in the letter "T". The intersect each other at a 90 degree angle. A radius is the distance from the center of the circle to the circle itself. It is half the circle's diameter.


In a circle a 90 degrees sector has area 16pi ft2. what is the radius of the circle?

The radius is 8 feet.


What is the area of a sector whose central angle is ninety degrees and has a radius of ten inches?

Well a circle has 360 degrees so a sector of 90 degrees has an area equal to 90/360 (or 1/4) of a circle with the equivalent radius. The area of a circle is defined as PI*Radius^2 so the area of a 90 degree sector will be 1/4*PI*Radius^2. The area will be 1/4*3.14*10^2 or 78.5 in^2.


What is the area of a sector with a radius of 8 and a 90 degree angle?

The area of a circle is given by the forumula pi x the radius squared. A 90 degree sector will occupy one fourth of the area of the circle, so the answer is: (pi x r2)/4 = (3.14 x 82)/4 = 50.24, or approximately 50 if you are calculating with significant figures in mind.


Quarter of a circle?

25%. 45 degrees. Radius.


What would be the radius of 6 inches long radius 90 degree elbow?

9in


Find the area of a sector in a circle if the radius is 4 cm and the arc has degree 120?

The area of a sector in a circle if the radius is 4 cm and the arc has degree 120 is: 16.76 cm2


If a circle has a radius of 12 cm and a sector defined by a 120 degree arc what is the area of the sector?

if a circle has a radius of 12cm and a sector defined by a 120 degree arc what is the area of the sector


What is the circumference of an 90 cm circle?

circumference of a circle = 2*pi*radius or pi*diameter