Transformations

100 100

200 200

400 400

300

400

Transformations Congruence Similar figures Dilations

300 300 300

200

400

200

100

500500 500 500 500

100

Row 1, Col 1

Find the coordinates of the vertices after the given transformation.

rotation 90° clockwise about the origin

B(−2, 0), C(−4, 3), Z(−3, 4), X(−1, 4)

1,2

What is the angle of rotation in this figure?

1,3

Find the coordinates of the vertices after the given transformation.

reflected acrossthe y axis

K(−5, −2), A(−4, 1), I(0, −1), J(−2, −4)

1,4

Find the coordinates of the vertices after the given transformation.

translation: 6 units right and 3 units down

S(−3, 3), C(−1, 4), W(−2, −1)

How many lines of symmetry in this picture?

1,5

2,1

Write the symbol for congruent.

2,2

Which figures are congruent?

2,3

Are these figures congruent or not congruent?

2,4

Write three congruence statements

2,5

Are these figures congruent or not congruent?

3,1

Write the symbol for similar.

3,2

For two polygons to be similar, corresponding angles must be

___________ and corresponding sides must have lengths that form

equivalent ___________?

Fill in the blanks

3,3

The triangles are similar. Use the scale factor

to solve for y?

3,4

Consider the statement

“All similar figures are congruent.”

Is this statement true?

3,5

Will is 5 ft tall.

He casts a 3 ft shadow at the same time a tree casts a 9 ft shadow.

Use similar triangles to find the height of the tree.

4,1

When you draw a line that connects each pair of

corresponding vertices, the lines intersect at one point.

What is this point called?

4,2

The blue figure is a dilation image of the red figure.

(a) Determine whether the dilation is a reduction or an enlargement.

(b) Find the scale factor.)?

4,3

Graph EZAB and its image E'Z'A'B' under a dilation with center (0, 0) and the given scale factor.

E(-2, -2), Z(1, -2), A(1, 2), B(-1, 3); scale factor 2.

What are the vertices of E'Z'A'B' ?

4,4

In the movie, King Kong, Kong is 60 feet tall. If an average gorilla

is 5 feet tall, what is the scale factor of this enlargement?

4,5

In the movie, King Kong, Kong is 60 feet tall. If an average gorilla is 5 feet tall, and weighs 350 lbs,

how much does Kong weigh?