Posted by deion on Wednesday, January 5, 2011 at 7:13pm.
What is the area of a sector where n= the measure of the central angle, r=radius, and d=diameter. n=90 degrees, d=18cm

geometry  daniel, Thursday, January 6, 2011 at 10:21am
taibg tihygta tyq

geometry  Henry, Friday, January 7, 2011 at 6:16pm
Ac = 3.14*r^2 = 3.14 * 9^2=254.48cm^2 = Area of the circle.
A sector is a fraction of a circle.
As = (90/360)254.48,
As = (1/4)254.48 = 63.6cm^2.

geometry  Ariana, Friday, February 4, 2011 at 7:50pm
I NEED HELP ON MY mATH!!!!!
Answer This Question
Related Questions
 math  a circular pizza box logo has a sector with a central angle of 80 degrees...
 Geometry  The measure of the central angle of a sector of a circle is 90degrees...
 trigonometry  please check my answers. 1.Find the area of the sector of a ...
 Advance Math  If the radius of the right circular cylinder is 4 cm and the ...
 Geometry  The circumference of a circle is 20 pi cm. Find diameter, radius, and...
 GEOMETRY  In a arcade game, the "monster" is the shaded sector of a circle of ...
 geometry  In a arcade game, the "monster" is the shaded sector of a circle of ...
 Trig  Find the measure of the central angle, in radians, given the area of the ...
 192  a pizza has a radius of 9inches. the pizza is divided into sections. one ...
 geometry  Find the area of a sector with a central angle of 190° and a diameter...
More Related Questions