The radius is 12
if a circle has a radius of 12cm and a sector defined by a 120 degree arc what is the area of the sector
The area of a sector in a circle if the radius is 4 cm and the arc has degree 120 is: 16.76 cm2
(pi * radius squared) * ( sector angle / 360 )
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if a circle has a radius of 12cm and a sector defined by a 120 degree arc what is the area of the sector
The area of a sector in a circle if the radius is 4 cm and the arc has degree 120 is: 16.76 cm2
(pi * radius squared) * ( sector angle / 360 )
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.
the formula for the area of a sector is measure of arc/360 times (pi)(radius squared) it should come out to be about 1.046 or 1.047, or 1/3(pi) the formula for the area of a sector is measure of arc/360 times (pi)(radius squared) it should come out to be about 1.046 or 1.047, or 1/3(pi)
For A+ it's 20
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 ].
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area = 225 pi = pi R squared/4 R = square root 900 = 30 in
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Not enough information is given to work out the radius of the circle as for instance what is the length of sector's arc in degrees
19.625 units squared