1. Lesson 85.notebook April 17, 2014
Assignment:
1-->Set 85 (odds) - Due Tomorrow [4/23]
2-->Test #12 - Friday [4/25]

2. Lesson 85.notebook April 17, 2014
Lesson 85 WarmUp:
1) Simplify: 500
2) A rectangle's length is (x + 4) and width is (x + 3). By
adding binomials, give its perimeter.
3) A circle is divided into 10 equal sectors. What is the
measure of each central angle?
4) Simplify: (1/3)-1
5) Graph these 2 lines. At what point do they intersect?
y = 1/2x + 2
y = -x + 5

3. Lesson 85.notebook April 17, 2014
Lesson 85
*To find the surface area of a cylinder...
--2 times the area of the bases [ x r2
]
--PLUS the area of the rectangle -
which would be the circumference of the base
times the height [ x D] x H
This is lateral
surface area!!
2 cm
5 cm

4. Lesson 85.notebook April 17, 2014
Examples - Lesson 85
pg. 570
A)
B)

5. Lesson 85.notebook April 17, 2014
C)
D)
E)

6. Lesson 85.notebook April 17, 2014
Find the Total Surface Area:
25 m
20 m
F)