11.5 Areas of Circles and Sectors Unit IIIH Day 5.

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Presentation transcript:

11.5 Areas of Circles and Sectors Unit IIIH Day 5

Ex. 5: Finding the Area of a Region You are cutting the front face of a clock out of wood, as shown in the diagram. What is the area of the front of the case?

In the next example… This curved region is a portion of a ring whose edges are formed by concentric circles.

Ex. 6 Find the area of the boomerang shown. The dimensions are given in inches. ▫Give your answer in terms of π. Then estimate to two decimal places.

Closure Describe how to find the area of a sector of a circle.