Download Tangent Ratio powerpoint

Happy Wednesday!
Please take out the following:
 Whiteboard and whiteboard markers
 Warm-Up
o On worksheet you picked up
 Homework
o HW #1: Tangent Ratio
o
Warm-Up
Warm-Up
Congruence Test
DEADLINE TO RETAKE: Friday March 17th
In order to retake it, you need to do test corrections!!!
o
Congruence Notes
Get notes organized!!!!
o
Office Hours!
FLEX= on Friday.
Lunch everyday
Saturday School=Math Teacher
Sub on Monday
I am good friends with him so I will hear about
EVERYTHING!
Be respectful and do your work!
If the sub writes your name down for anything that is
disrespectful I will call home and lunch detention!
Whiteboards
Grab a calculator. Solve for x.
x
1.
14 =
2.
3
4.2
7=
x
Whiteboards
Is AB a side or an angle?
A
B
C
Whiteboards
Is T a side or an angle?
C
A
T
Whiteboards
Which angle is opposite PG?
P
G
I
Whiteboards
0 Name the side opposite ∠B
Whiteboards
Name the angle opposite ED
Whiteboards
Can we use the Pythagorean Theorem? Why or why
not?
11
62°
x
Trigonometric Ratios
Trigonometric Ratio
o Trigonometry (from Greek trigonon "triangle" + metron
"measure”).
o The ratio of side lengths in a right triangle based on the
given angle.
o The Greek letter theta, θ, is traditionally used to represent the
measure of an acute angle in a right triangle.
Open Notebook
Title notes: Tangent Ratio
Tangent Ratio
Right Triangle:
o “Opposite” is opposite side length to the angle θ.
o “Adjacent” is adjacent (next to) to the angle θ.
o “Hypotenuse” is the longest side length or opposite side to the
right angle.
Whiteboards!
Whiteboards
You are to identify the side length with relation to angle theta.
1. Opposite
2. Adjacent
Whiteboards
Whiteboards
You are to identify the side length with relation to angle theta.
3. Adjacent
4. Hypotenuse
Tangent Ratio
Tangent Ratio
.
Tangent Ratio
Tangent Ratio (Slope of a Line)
.
We use tangent ratio to find slope of an angle
Note: The hypotenuse is NEVER a component of tangent.
Example #1
Find the missing length, x, in the triangle below?
62
11 °
x
Example #2
0 Solve for x.
21
x
35
°
Classwork #1
0 When done raise your hand and I will check it off!
0 Then work on HW #1