How do you solve this problem?
A craftsman makes square tiles of 20 cm on the side and paints them white and grey as shown in the figure, where all semicircles are of the same size.
craftsman must buy gray paint for that the craftsman needs to know the area of the gray region on each tile.
What is the value of the area, in cm2, grey on each tile?
A craftsman makes square tiles of 20 cm on the side and paints them white and grey as shown in the figure, where all semicircles are of the same size.
craftsman must buy gray paint for that the craftsman needs to know the area of the gray region on each tile.
What is the value of the area, in cm2, grey on each tile?
1 Answer
Dec 5, 2017
Explanation:
Let the square side be
The semi-lobe area is given by
and the lobe area is
so the grey area is
now for
gray area