Sir please help me to solve the ncert class 10 areas related to circles of exercise 12.3 question no. 7 . Find the easiest and simplest way to solve this question also find the best and easiest way to solve this question.In Fig. 12.25, ABCD is a square of side 14 cm. With centres A, B, C and D, four circles are drawn such that each circle touch externally two of the remaining three circles. Find the area of the shaded region.