1. Do Now
On your desk:
Marker & eraser
2. Be in your seat at the bell

2. Today we are at DISNEY WORLD!!!
Pick A Ride
Today we are at DISNEY WORLD!!!

3. Pick the ride you are most comfortable with…
Pick a Ride
Pick the ride you are most comfortable with…
“It’s a Small World”
a gentle, easy ride

4. Pick the ride you are most comfortable with…
Pick a Ride
Pick the ride you are most comfortable with…
“Jungle Cruise”
A little more excitement--
seat belt not required

5. Pick the ride you are most comfortable with…
Pick a Ride
Pick the ride you are most comfortable with…
“Space Mountain”
Fast moving thrill ride…

6. Dilate the ordered pair (2, 4) with the scale factor of…
k = 4
k = 3
(8, 16)
(6, 12)
(1, 2)

7. Dilate the ordered pair (-8, 0) with the scale factor of…
k = 1
k = 2
k = 0.25
(-8, 0)
(-16, 0)
(-2, 0)

8. A square has a vertex at (4, 8) on the coordinate plane, and it is dilated by a scale factor of 2. Where is the dilated vertex going to be located?
A triangle has vertices at (2, 2), (-1, 1), and (0, -2). The triangle is dilated by a scale factor of 3. Where are the dilated vertices located?
The ordered pair (4, 1) is dilated and is now located at point (12, 3). What scale factor was used for the dilation?
(6, 6)
(-3, 3)
(0, -6)
k = 3
(8, 16)

9. Find the scale factor if the preimage point is (12,4) and the image is (3,1)
Find the scale factor of the dilation:
Ben is wanting to build a model rail car that is 1 foot in length. The actual length of a rail car is 50 feet in length. What is the scale factor that Ben needs to use to make sure his model rail car is accurate?
k = 50

10. Find the missing measures
x=24 units

11. Find the missing measures
x=14
x=5

12. Find the missing measure
119 85
115

13. Using the diagram to the right, name the angle pair name of angles…
1 & 4
1 & 3
4 & 5
Vertical
Supplementary
Alternate Interior

14. Using the diagram to the right, name the angle pair name of angles…
1 & 8
2 & 8
3 & 7
Same Side (Consecutive) Exterior
Alternate Exterior
Corresponding

15. If the measure of angle 1 is 115, what is the measure of angle…7 6 65
115 65

16. If the measure of angle 6 is 25, what is the measure of angle…3 4 25
155
155

17. Solve for x.
x=17
x=167

18. Solve for x.
x=112
x=32

19. Pick a ride question # 6… (Triangle theorems)
A triangle has a vertices A(2, 2), B(-1, 1), and C(0, -2). The triangle is dilated by a scaName a pair
Using the interior triangle theorem, solve for x.
Using the exterior triangle theorem, find the measure of angle L.
Using the interior triangle theorem , Solve for x & solve for the measurement of angle D.
X = 15
60°
21°

20. Solve for x.
x=12
x=27

21. Pick a ride question # 7… (exterior triangle theorem)
A triangle has a vertices A(2, 2), B(-1, 1), and C(0, -2). The triangle is dilated by a scaName a pair
Using the exterior triangle theorem, solve for x.
Using the exterior triangle theorem, solve for x.
Using the exterior triangle theorem, solve for x.
X = 61
X = 116
X = 30

22. Solve for x.
x=63
x=20

23. Pick a ride question # 1… (Vocabulary)
A triangle has a vertices A(2, 2), B(-1, 1), and C(0, -2). The triangle is dilated by a scale factor of
Similar figures must have the same _______, but not the same _________.
________ ________ have the same shape and the same size.
Corresponding angles must be __________ and corresponding sides must be __________.
Congruent figures
Congruent, similar
Shape, size

24. Pick a ride question # 10… (Similar figures )
Find the missing side of the similar triaFind the missing side of the similar trianglengle
A triangle has a vertices A(2, 2), B(-1, 1), and C(0, -2). The triangle is dilated by a scaName a pair
These triangles are similar. Find the scale factor of the smaller to the larger.
The rectangles are similar figures. Calculate the value of x.
Find the missing side of the similar triangle. Find x.
X = 6
X = 2
SF = 2