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The clock face in a famous clock tower has a radius of about meters. What is the area of the clock face to the nearest square meter? Use as an approximation for .

User Daniel Cho
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Question:

Solution:

The area of a circle of radius r is given by the following formula:


A=\pi r^2

In this case, r = 5m. Thus, the area of the clock face would be:


A=\pi r^2=3.14(5)^2\text{ = 3.14 x 25 = 78.5}\approx\text{ 79}

then, the correct answer is:


A=\text{ 79 square meters}

The clock face in a famous clock tower has a radius of about meters. What is the area-example-1
User Chrisvillanueva
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