equations of circles - coach golden's geometry with...
TRANSCRIPT
Untitled13701.notebook
1
February 13, 2018
How do I determine
Measurable
characteristics of circles?
Geometry February 12, 2018
Warmup
ClassLab.com
Classwork from Friday
Equations of Circles
Untitled13701.notebook
2
February 13, 2018
7247 5412
Untitled13701.notebook
3
February 13, 2018
L = (arc/360 )(Circumference)
use 3.14 for pi
What is Arc Length of a circle?
How do I find Circumference of a circle?
Where is Arc Length of a circle?
What is the relationship between circumference and arc length?
Untitled13701.notebook
4
February 13, 2018
1. you must subtract 360137 because the 137o goes with the unshaded sector
2. Remember the Area formula of the
circle and you have to square the radius. 3. Area units are square so this problem should have cm2.
Untitled13701.notebook
5
February 13, 2018
How do I find the area of a circle?
How do I find the area of a sector?
What is Arc Length of a circle?
How do I find Circumference of a circle?
Where is Arc Length of a circle?
What is the relationship between circumference and arc length?
How are the formulas for Arc Length and Area of a Sector related?
You should be able to answer these questions:
Untitled13701.notebook
6
February 13, 2018
Untitled13701.notebook
7
February 13, 2018
Untitled13701.notebook
8
February 13, 2018
Length is like perimeter
Area is space contained
Area - units squared
Length - units (linear)
Untitled13701.notebook
9
February 13, 2018
Remember to use the correct units
Area in2 or in sq.
Arc Length in
Constant of Proportionality
Untitled13701.notebook
10
February 13, 2018
Deltamath.com - Segment Length and Area
IXL: S.7, U.3, U.4, U.2
Untitled13701.notebook
11
February 13, 2018
Untitled13701.notebook
12
February 13, 2018
Equations of Circles
Untitled13701.notebook
13
February 13, 2018
Untitled13701.notebook
14
February 13, 2018
Untitled13701.notebook
15
February 13, 2018
Untitled13701.notebook
16
February 13, 2018
Untitled13701.notebook
17
February 13, 2018
Untitled13701.notebook
18
February 13, 2018
Untitled13701.notebook
19
February 13, 2018