The area of the shaded region can be gotten by multiplying the area of the circle by the subtended angle of the sector.
45
It is found by: (sector area/entire circle area) times 360 in degrees
You cannot. The angle of the sector MUST be given, although that might be implicitly rather than explicitly.
If I understand you correctly, if 11/12 of the circle is shaded, then 1/12 is not shaded.
find the area of the shaded sector 12cm and 24°
Find the area of the shaded sector. radius of 3 ...A+ = 7.07
area of whole circle = pi * radius squared = 3.14159 * 36 = 113.1area of sector = 113.1 * ( 10 / 360 ) = 3.14159 sq units
The area of the shaded region can be gotten by multiplying the area of the circle by the subtended angle of the sector.
The area is r^2*x where r is the radius of the circle and x is the angle measured in radians. If you are still working in degrees then Area = (y/180)*r^2, where the angle is y.
(pi * radius squared) * ( sector angle / 360 )
45
35.35 sq un
The area is r^2*x where r is the radius of the circle and x is the angle measured in radians. If you are still working in degrees then Area = (y/180)*r^2, where the angle is y.
The area is r^2*x where r is the radius of the circle and x is the angle measured in radians. If you are still working in degrees then Area = (y/180)*r^2, where the angle is y.
For a circle where sector measures 10 degrees and the diameter of the circle is 12: Sector area = 3.142 square units.
It depends on what information you have: the radius and the area of the sector or the length of the arc.