Sixth Grade Challenging Math
--------------------------------------------------------------------------
6-67) Answer
0.285R2
Solution: Area of a quarter circle is 1/4 *3.14*R2, Area of the right triangle formed by 2 lines labeled "R" is 1/2R2
Area in red = Area of a quarter circle - Area of a triangle = 1/4 *3.14*R2 - 1/2R2 = 0.285R2