Trapezoid A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Find the dimensions of trapezoid
E
F
G
H
.

Side
F
G
corresponds to side

.

m
F
G
=

5) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Find the dimensions of trapezoid
E
F
G
H
.

Side
G
H
corresponds to side
4.1 in

.

m
G
H
=

AB

6) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Find the dimensions of trapezoid
E
F
G
H
.

Side
H
E
corresponds to side

.

m
H
E
=

7) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Find the dimensions of trapezoid
E
F
G
H
.

The perpendicular from
∠
E
corresponds to the perpendicular from

.

m
⊥
from
∠
E
=

8) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Calculate the perimeter of both trapezoids.

Perimeter of trapezoid
A
B
C
D
.

P
A
B
C
D
=


49.2
in

22.8
in

21
in

44.28
in

9) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Calculate the perimeter of both trapezoids.

Perimeter of trapezoid
E
F
G
H
.

P
E
F
G
H
=


18.4
in

11.4
in

22.8
in

9.8
in

10) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Use the area formula to calculate the area of trapezoid
A
B
C
D
. Show the substitution into the formula.

Choose the formula for the area of a trapezoid.
A
=
1
2
b
h

A
=
1
2
(
b
1
+
b
2
)
h

A
=
π
r
2

A
=
b
h

11) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Use the area formula to calculate the area of trapezoid
A
B
C
D
. Show the substitution into the formula.

Calculate the area of trapezoid
A
B
C
D
.
14.58
in
2

16.8
in
2

22.8
in
2

29.16
in
2

12) Use the figures to answer the question.

Trapezoid
A
B
C
D
is dilated to create trapezoid
E
F
G
H
by a scale factor of
1
2
.
Find the perimeter and area of both figures.

Dilation of trapezoid ABCD into trapezoid EFGH

Calculate the area of trapezoid
E
F
G
H
by using the square of
k
.

A
E
F
G
H
=
k
2
(
A
A
B
C
D
)
→


29.16
in
2

7.29
in
2

14.58
in
2

19.18
in
2

13) Use the figure and description to answer the question.

Graph of the dilation of circle T into circle T'

Circle T is dilated to create circle T'. The radius of circle T is 4 units, while the diameter of circle T' is 10 units. Find the circumference and area of both figures measured to the nearest hundredth. Use 3.14 for
π
. Use the correct units for all final answers.

Find the scale factor used to dilate circle T to circle T'.
k
=
1
5

k
=
5
4

k
=
5

k
=
4
5

14) Use the figure and description to answer the question.

Graph of the dilation of circle T into circle T'

Circle T is dilated to create circle T'. The radius of circle T is 4 units, while the diameter of circle T' is 10 units. Find the circumference and area of both figures measured to the nearest hundredth. Use 3.14 for
π
. Use the correct units for all final answers.

Calculate the circumference of circle T:
C
≈


25.12
units

31.4
units

62.8
units

157.8
units

15) Use the figure and description to answer the question.

Graph of the dilation of circle T into circle T'

Circle T is dilated to create circle T'. The radius of circle T is 4 units, while the diameter of circle T' is 10 units. Find the circumference and area of both figures measured to the nearest hundredth. Use 3.14 for
π
. Use the correct units for all final answers.

Calculate the circumference of circle T':
C
≈


31.40
units

25.12
units

50.24
units

62.8
units

16) Use the figure and description to answer the question.

Graph of the dilation of circle T into circle T'

Circle T is dilated to create circle T'. The radius of circle T is 4 units, while the diameter of circle T' is 10 units. Find the circumference and area of both figures measured to the nearest hundredth. Use 3.14 for
π
. Use the correct units for all final answers.

Calculate the area of circle T:
A
≈


16
units
2

50.24
units
2

31.40
units
2

25.12
units
2