If the question refers to the area (A) of a circle then the formula is A = πr2.
The larger circle has a radius of 7 and thus an area of π72
The smaller circle has a radius of 6 and thus an area of π62 The difference in area is π(72 - 62) = π(49 - 36) = 13π = 40.84 in2
The larger circle has a radius of 7 and thus an area of π72
The smaller circle has a radius of 6 and thus an area of π62 The difference in area is π(72 - 62) = π(49 - 36) = 13π = 40.84 in2
