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Geo Notes 5.125.16.notebook
1
May 18, 2014
Do Now (5/12):
If I were to divide this pizza evenly among the whole class, how many degrees of crust would each person get?
Geo Notes 5.125.16.notebook
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May 18, 2014
Circumference Formula Review
Find radius if C = 40m
Find C if radius = 3 in
Find diameter if C = 81 ft
Geo Notes 5.125.16.notebook
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May 18, 2014
* To find the arc length, you need to have radius and degree of arc. Do we have or can we find those here?
Geo Notes 5.125.16.notebook
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May 18, 2014
Arc Length (Ex.) A record with a radius of 9in rotates 40 degrees in 1 second. How far would it travel in one minute?
Geo Notes 5.125.16.notebook
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May 18, 2014
Exit Ticket (5/12):
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May 18, 2014
Do Now (5/14): Find the measure of arc XY
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May 18, 2014
Area Formula Review
Find radius if A = 49m
Find A if radius = 4 in
Find diameter if A = 18 ft
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May 18, 2014
Vocabulary sector
Arc length gave us the amount of crust, what will the sector area give us? What information do we need to determine the sector area?
Back to Pizza...
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Sector Area Ex. A dog is on a 10ft chain in the yard, tied to the corner of a rectangular house. If he can only run in the area shown, how much of the yard can he cover?
House
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HW (5/14): Pg. 328 #13
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Do Now (5/15):1. Find the arc measure
2. Find the sector area
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May 18, 2014
Arcs and Sector Stations:ROLES:
Red Facilitator
Yellow Note taker
Green Calculator
Blue Presenter
Purple Time Keeper
Orange "Devil's Advocate"
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