Solution:
The 2 quarter circles are exactly the same. Therefore
the hatched quarter circle on the right plus the hatched region on the left
have the same area as that of the square on the left. So you just need to find the area of the square
to get the hatched area. 6 x 6 = 36
Free challenging math problems for Kids (1st grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6 grade and 7th grade)