1. Lesson 40.notebook
Assignment:
1­­>Set 40 (evens) ­ Due Monday (11/4)
2­­>Test #5 ­ Tuesday (11/5)
November 01, 2013

2. Lesson 40.notebook
November 01, 2013
Lesson 40 Warm­Up:
1)
Write 32% as a decimal and as a reduced fraction.
2) Combine like terms: xyz + yxz ­ zyx ­ x2yz
3) Expand:
­4x(2x ­ 9)
4) Simplify:
1/9 + 4/6 4/12
5) Find the perimeter:
10 feet
12 feet
15 feet

3. Lesson 40.notebook
November 01, 2013
Lesson 40
*sector – a portion of the interior of a circle enclosed by
two radii and an arc (a part of a circle)
*central angle – the angle formed by 2 radii and
determines the fraction of the area of the circle the
sector occupies
FYI...Area of a circle ­ pi times radius squared
x r2

4. Lesson 40.notebook
Examples ­ Lesson 40
pg. 267
A)
B)
C)
November 01, 2013

5. Lesson 40.notebook
D)
E)
November 01, 2013

6. Lesson 40.notebook
F)
G)
H)
November 01, 2013