Chapter 8 Polygons and Area.

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Presentation transcript:

Chapter 8 Polygons and Area

Section 7 Circumference and Area of Circles

Example 1: Find the Circumference of a Circle Find the circumference of the circle.

Checkpoint: Find the circumference of a Circle Find the circumference of the circle. Round your answer to the nearest whole number.

Example 2: Find the Area of a Circle Find the area of the circle.

Example 3: Use the Area of a Circle Find the radius of a circle with an area of 380 square feet.

Checkpoint: Find the Area of a Circle Find the area of the circle Checkpoint: Find the Area of a Circle Find the area of the circle. Round your answer to the nearest whole number.

Example 4: Find the Area of a Sector Find the area of the blue sector.

Checkpoint: Find the Area of a Sector

Checkpoint: Find the Area of a Sector

EXIT SLIP