Special%20Right%20Triangles

1
D.N.A.
Find the missing side of the triangle.
1)
2)
3)
2
Special Right Triangles

• Chapter 8.3

DNA
3
NUMBER SENSE
4
STATISTICS, DATA, AND PROB.
5
ALGEBRA AND FUNCTIONS
6
MEASUREMENT AND GEOMETRY
7
MATHEMATICAL REASONING
8
ALGEBRA 1
9
Find the length of the Hypotenuse
10
Find the length of the Hypotenuse
11
45o-45o-90o Triangle

• The hypotenuse is ?2 times as long as each leg.
• x, x, x(?2)

12
Find the missing sides
7
13
Find the missing sides
14
Find the missing sides
15
Find the length of the missing side
16
Lesson 3 CYP2
Find b.

1. A
2. B
3. C
4. D

17
Find the length of the missing side
18
30o-60o-90o Triangle

• Legs x, x?3
• Hypotenuse 2x

19
Find the missing side lengths
16
20
Find the missing side lengths
12
6
21
Find the missing side lengths
15
22
Find the missing side lengths
8
23
Find the missing side lengths
12
24
Lesson 3 CYP3
Find BC.

1. A
2. B
3. C
4. D

25
Lesson 3 Ex4
Special Triangles in a Coordinate Plane
Copy this problem!
COORDINATE GEOMETRY ?WXY is a 306090
triangle with right angle X and as the
longer leg. Graph points X(2, 7) and Y(7, 7),
and locate point W in Quadrant III.
26
Lesson 3 Ex4
Special Triangles in a Coordinate Plane
Short leg
5
YX
I
II
Long leg XW
III
IV
W
27
Lesson 3 CYP4
A. (4.8, 6) B. (2.2, 6) C. (1.5,
6) D. (12.6, 6)

1. A
2. B
3. C
4. D

28
Homework

• Chapter 8.3
• pp. 451
• 1 5, 8 - 15, 34, 36, 40, 42, 44 and 48