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Dude...it's spelled pi, not pie. Since pi/2 is the same as 90 degrees, they are looking for 1/4 of the area of the full circle: area of

**sector**= (1/4)225pi = (225/4)pi = 56.25pi = 176.7145868 square inches2 Answers · Science & Mathematics · 27/02/2014

...information you have presented. I can't even tell if you mean a

**sector**as in part of a circle (which would have the shape of a piece of pie) or a**sector**as...2 Answers · Science & Mathematics · 04/06/2008

...'C'D', A' and B' inside the

**sector**, not necessarily lying on the arc. Connect M with A'...1 Answers · Science & Mathematics · 06/11/2013

Let the

**sector**angle be θ radius = 5 in. Length of arc = 10 in 2πrθ/360° = 10 10πθ = 3600 ° πθ = 360° θ = (360/π)° -------- (1) Area of**sector**= πr^2θ/360° = 25πθ/360° = 25*360/360 (...6 Answers · Science & Mathematics · 17/02/2008

...1257 cm² But you don't want the full 360°, you just want a

**sector**that is 65°, so multiply by the fraction: A**sector**= 65/360 * A...4 Answers · Science & Mathematics · 15/06/2019

visit this page for better understanding http://www.mathsisfun.com/geometry/circle-

**sector**-segment.html2 Answers · Science & Mathematics · 13/06/2010

a = r * theta 88pi = r * 0.66 r = 418. 8790205 diameter = 837.758041

1 Answers · Science & Mathematics · 27/02/2014

Area of

**sector**= (Pi)(R^2)(X) Curved surface area = (Pi)(r...1 Answers · Science & Mathematics · 20/10/2009

2r+r*theta = 7 => theta = (7-2r)/r (1/2)r^2 * theta = 3 => (1/2)r (7-2r) = 3 => 2r^2-7r+6 = (2r-3)(r-2) = 0 r = 1.5 cm, 2 cm

5 Answers · Science & Mathematics · 01/02/2010

15 degrees is 15/360 of a whole circle 15/360 = 1/24 so if the whole circle has 144*pi cm^2 then 15 degree is 1/24 * 144pi = 6*pi cm^2

1 Answers · Science & Mathematics · 27/01/2014

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