1.
If the area of a parallelogram is
lh
, what is the area of the parallelogram after it has been scaled by a factor of 4?
A.
lh
+ 4
B.
lh
+ 16
C.
4
lh
D.
16
lh
Hint
2.
Find the area of the triangle after it has been scaled by a factor of
.
A.
10 cm
2
B.
17.32 cm
2
C.
23.09 cm
2
D.
13.33 cm
2
Hint
3.
Find the perimeter of the trapezoid after it has been scaled by a factor of 6.
ST07-023W-008550.gifv
A.
64 m
B.
10.67 m
C.
336 m
D.
384 m
Hint
4.
Find the area of the circle after it has been scaled by a factor of 5.
A.
3.14 mm
2
B.
15.71 mm
2
C.
49.35 mm
2
D.
78.54 mm
2
Hint
5.
These two figures are similar. What is the scale factor from the large figure to the small figure?
A.
, or 0.67
B.
, or 0.33
C.
, or 0.75
D.
, or 0.5
Hint