Proportions
Solve for t.
5/12 = t/36
15
In order to find the scale factor between two similar triangles we need to know the ratio between what kind of sides?
Corresponding
What does it mean for a transformation to be rigid motion?
Size and shape does not change.
Solve for all of the missing sides. You need to find both. You can leave your answer as a fraction if necessary.
JK = 7.5
EG = 10/3 or 3 1/3 or 3.3 repeating
Solve for x.
23/x = 92/16
4
What is the scale factor as we go from the blue triangle to the green triangle?
2
Name all three types of rigid motion transformations. (need all 3)
Reflection, Rotation, Translation
Solve for w to the nearest tenths place.
w/10 = 12/23
5.2
What is the scale factor needed to map triangle ABC to triangle A'B'C'.
1/2
Describe the transformation mapping triangle ABC to triangle A'B'C'.
Translation down 3 units and left 8 units.
If x=5 and y=7, what is y when x=65?
91
Mapping triangle PQR to triangle P'Q'R' after a translation, describe the dilation needed.
Scale factor of 3 with a center at R'
Describe the transformation mapping triangle ABC to triangle A'B'C'.
Rotation of 90 degrees counterclockwise.
At SJ 3/5 of students are wearing sweatshirts today. There are 84 students wearing sweatshirts. How many total students are at the school today?
140
Give a sequence of transformations that maps triangle ABC to triangle A'B'C'.
Translation up 2 right 4. Dilation with center at A' and scale factor of 3.
Dilation with center A and scale factor of 3. Followed by a translation up 2 right 4.
Describe the transformation mapping triangle A to triangle P.
Reflection over the line x=4.