##### How to find the area of an annulus

**The area = π x (****Outer** **Radius ^{2 }– Inner radius ^{2})**

**Example:**

**π = 3.14**

**Outer**

**Radius**= 10 cm**Inner radius = 8 cm****Area =**

**3.14 x**

**(**

**10**

^{2}– 8^{2})**ANSWER : 113 cm**

^{2}How to calculate the area of an annulus, with example

**The area = π x (****Outer** **Radius ^{2 }– Inner radius ^{2})**

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what a good stuff, more enough than refresher course