A is 78 and b is 12.
ABCD is a square of side length 1.
If EFGH are the points on its boundary such that AE=EB, 2BF=FC, 3CG=GD & 4DH=HA then what is the area of the quadrilateral EFGH?
Square ABCD is inscribed in a quarter circle O such that B and C are on the arc of the quarter circle. If the quarter circle has a radius equal to 1, what is the area of the square?
In the following figure, 3 unit squares are placed side by side. Find the sum of angles a+b+c = ??.