In the above diagram, and What is the perimeter of the green colored region?
In the above image of a circle with center at . What is angle (as marked) equal to?
The length of each side in the above square is If the two curves in the square are each one quarter of a circle with radius calculate the area of the region bounded by the two curves in the above diagram.
is a circle with center . and are points on such that the sector has perimeter . What is the maximal possible area of sector ?
Let and be the centers of two circles with the same radius What is the perimeter of the green colored region?