**A large pizza has a diameter of 9 inches. Which of the following is the area of the pizza in terms of pi ()?**

11.25 πin2

29.57 πin2

18.35 πin2

20.25 πin2

*Correct Answer : D*

We need to find the radius in order to find the area of the pizza.

Radius of pizza

The area of the pizza

* *

But r=4.5

* *

Thus, the area of the pizza is 20.25* * in2.

NOTE: is used as is since values of pi may vary e.g. 3.14, 3.142, 22/7. Hence we use pi symbol to generalize.

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