Question

In a given square of side length 20 cm. A circle is
inscribed in the square and another smaller circle
is drawn inside the square as c, the area of shaded
region is of the form a + (1200VC-b) (where
a, b, c is integers). the value of (a + b + c)/10
is :
A) 182.7
B) 192.7
C)162.5
D)144.2​

Answer 1

Answer:

from the sum of 3x²-5x+2 and -5x² -8x+6 subtract 4x²-9x+7

Answer 2

Answer:

Please upload the image of shaded region.