Monday, April 22, 2013

Boardwork 4/22 & Circles Lesson

Here is the Boardwork for the Day. First: Go to the following website or use your Geometry Book, draw an example for each part of the circle accompanied with a short definition.

Parts of a Circle

Second:
1. If 58 people out of 223 will go to Fiesta today:
    a) what is the central angle for the sector of people that will not go (assume a radius of 7)?
    b) what is the length of the minor arc?
    c) what is the length of the major arc?
    d)  what is the area for the sector of people that will attend?
    e)  what is the probability that a person will not attend Fiesta?

2. A circular ice skating rink has an area of 17,671 inches squared.
    a) what is the measure of the rink's diameter?
    b) what is the measure of the rink's area in feet squared?


When you are finished, or during class #2 we will begin our lesson on Parts of a Circle: Powerpoint

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