3.5 calculating area

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3.5 Calculating Area

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Area

Definition:

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Area of a Rectangle

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Area of a Square

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3.5 Calculating Area

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Example 2. Find the area of the shape

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= Area of Large ­ Area of Small

Example 3. Find the area of the shaded area

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Area of a Triangle

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Example 4. Find the area of the triangle to the nearest tenth. All measurements are in inches.

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Example 5. Find the area of the triangle to the nearest tenth.

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Area of a Circle

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Example 7. Find the area of the circle

4.8

yd

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Example 8. Find the area of the circle

10.2

km

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Example 8. Find the area of shaded part if the diameter of the larger circle is 26.7 mm and the radius of the smaller circle is 9.5 mm

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Find the area of the following parking lot.

If it costs $12.69/m2 to pave the parking lot, find out how much it costs to pave the above parking lot.

7 m 4.7 m

3.5 m

6.7 m

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