3.2 Exploring the Pythagorean Relationship
Example 1: Describe Relationships in Right Triangles
What is the area of each
square?
Which side is the
hypotenuse?
a
b
c
Write an addition statement
to show the relationship
between the areas of the
three square
3.3 Estimating Square Roots
Example 1: Estimate the square root: 22
a) How can you check your answer?
b) Can you make a better guess?
You try:
Check your answer and make a better guess if you need to.
You try: Estimate the following square roots. Check yo
Chapter 3 Pythagorean Relationship
Name:
The Dangerous Ratio
It's a stormy day on the sea off the coast of Greece. The date is around 520 BC. Fighting for his
life, a man is heaved over the side of a boat and dropped into the open water to die. His name i
Math 8
Ch. 10 Notes
Ms. Morrison
Goals: Solve equations using a model and opposite operations
Example 1: Using a model
You try:
Example 2: Solve using opposite operations. Verify your answer
a)
4 6 28
b)
4 2 2
c)
16 5 4
d)
2 3 14
e) 4 3 25
f)
2 16 20
Math
Chapter 5 Surface Area
Name:
Pre-quiz:
Total:
/16
1. Label the following (just the letters) on this object:
(a) edge
(b) vertex
(c) face
2. Match the shape with its
name
_ Cylinder
_ Rectangular Prism
A
B
D
C
E
_ Triangular Prism
_ Cube
_ Rectangular Pyra
Basic Skills Review Chapters 5 & 7
Name: _
Ch. 5 Surface area
Find the area of each side, add them up
Formulas:
Area of Rectangle = length width
Area of Triangle = (base height) / 2
Area of Circle =
Circumference of a circle:
Sample Questions:
1. Find
3.5 Applying the Pythagorean Relationship
Example 1:
You try:
How far is it to Sams school as the crow
flies?
Example 2:
You try: Danelle checks another corner in her bedroom. She measures 30cm along one wall, and
40 cm along the other. The hypotenuse is