area of a circular segment = 1/2 r^2( x rad - sn x ) r = the radius of the circle x rad = the angle in radian x = the angle in degree so x rad = 80 x pi/180 = 1.39 then the area = 1/2 (5)^2 ( 1.39 - sin 80 ) = 5.06 feet ^2
2 Answers · Science & Mathematics · 03/08/2007
...) = area of the circle x 1/3 Then use trigonometry to find the area of triangle OAB: 120 degrees at O therefore the angles at both A and B are both 30 degrees. etc.
2 Answers · Science & Mathematics · 29/06/2010
... θ / 360 X π R ² Say the area of the sector = A Now, what you have to do is calculate the area of the triangle formed by the line segment , and the edges of the imaginary sector. (You understand?) Look on...
1 Answers · Science & Mathematics · 04/02/2010
...try to get the math correct and remove some of the mystery! Radius = r (1) Area of Segment Aseg = Area of Sector Asec - Area of ...
4 Answers · Science & Mathematics · 22/02/2011
... know what the total area of the section cut off by A and B is. It is: (1/3) * (π * m^2 / 3) = (π * m^2 / 9).....Total area of segment The rightmost triangle has an area of ...
2 Answers · Science & Mathematics · 29/04/2009
...height. A (t) = ½ (12)(6 cot 40°) A (t) = (6)(6)(cot 40°) A (t) = 36 (cot 40°) The area of the minor segment is the area of the sector minus the area of the the large triangular area . ...
2 Answers · Education & Reference · 21/08/2011
... area of square = 36 units² area of quarter square = 9 units² area of segment = area of quarter circle − area of quarter square = 4.5π − 9 ≅ 5.1 units²...
1 Answers · Science & Mathematics · 14/11/2010
...where Q is in radians. Area = (r² / 2)(Q * Π / 180...the central angle that encompasses the segment , and r is the radius of the circle in which the segment is ...
5 Answers · Science & Mathematics · 03/06/2009
The lateral area S of the segment is given by the formula S = 2pi*R*h, where R ...
2 Answers · Science & Mathematics · 24/09/2013
...sq yd the last one we KNOW is a right triangle, and since the two legs of the angle are equal, we know that it also has two 45 degree angles, so the area is just 1/2. I am uneasy...
1 Answers · Education & Reference · 23/03/2013