The area of a semi circle is the total space inside the semi circle. If radius of the circle = r Then, Area of the circle = (1/2)xπr2 sqare units Here, π=22/7=3.14 aproximately Ex:- radius...
1.3 - Cardinality of sets 1. Let A,B, C are the three sets, then n(A)=17, n(B)=17, n(C)=17, n(BnC)=6, n(AnC)=5, and n(AnBnC)=2 then find n(AUBUC). Solution: n(AUBUC). = n(A) + n(B) + n(C) - n(AnB)-....