Name _
Geometry
Date _ Period _
MHS Mrs. Fischer
Directions: Use your text book or the internet to answer the following questions
.(startpg558)
1. Whatarethethreebasictrigonometric ratios
?
1. _2._3._
2. Wherewasthewordtrigonometryderivedfrom?_
3. Whatist
Geometry
Name _
Date _ Period _
1. Problem: You have a piece of construction paper that you want to cut into a square. You want the
diagonal to be 14 inches long, How long should each side be?
ANSWER: _
2. Problem: There is a 20 foot ladder leaning agains
WS #1
Pre Ch 9.1
1.
Name:
Geometry
Date:
Period:
List the first twelve perfect squares.
2. What is the Pythagorean Theorem?
3. A. The distance formula is derived from . _
B. What is the distance formula?
Simplify each radical completely. Exact answers no
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St
9.4: 450-450-900 Triangle
Theorem:
1) In a 450-450-900 triangle, the hypotenuse is
450
2 times the length of a leg.
x2
x
x
450
Example:
1) Find the missing variables.
s
a)
450
450
12
Small Side
x
Hyp.
x2
Large Side
x
450
x
b)
8
x
y
450
450
c)
450
Small Si
9.4: 300-600-900 Triangle
Theorem:
In a 300-600-900 triangle, the hypotenuse is twice the length of the shorter leg, and the
longer leg is 3 times the length of the shorter leg.
600
2x
x
300
x3
Example:
If you know the small side
1)
600
y
2
300
x
Small Si