WorksheetsArea and Mansion Change
Total questions: 15
Worksheet time: 41mins
Name
Class
Date
1.
If the area of a square is 128 square meters. What would be its area if the dimensions were decreased to 41 their original length?
a)
32
b)
8
c)
16
d)
24
2.
What happens to the perimeter of a square if the sides are halved?
a)
doubles
b)
halved
c)
quadrupled
d)
forthed
3.
When multiplying by a scale factor the perimeter will multiply by...
a)
The same scale factor
b)
The scale factor doubled
c)
The scale factor squared (to the power of 2)
4.
When multiplying by a scale factor the area will multiply by...
a)
The same scale factor
b)
The scale factor doubled
c)
The scale factor squared (to the power of 2)
5.
A rectangle has a base 4 ft and height of 5 feet. If the figure dilated by a scale factor of 2, what will be true about its perimeter?
a)
The perimeter is doubled.
b)
The perimeter is quadrupled.
c)
The perimeter is two more.
d)
The perimeter is four more.
6.
A rectangle has a base 4 ft and height of 5 feet. If the figure dilated by a scale factor of 2, what will be true about its area?
a)
The area is doubled.
b)
The area is multiplied by 4.
c)
The area stays the same
7.
A figure is multiplied by the scale factor 1/4. What will be the change in perimeter?
a)
The perimeter will be 1/4 the original perimeter.
b)
The perimeter will be 1/8 the original perimeter.
c)
The perimeter will be 1/16 the original perimeter
8.
A figure is multiplied by the scale factor 1/4. What will be the change in area?
a)
The area will be 1/4 the original area.
b)
The area will be 1/8 the original area.
c)
The area will be 1/16 the original area.
9.
What happens to the area of a polygon if the dimensions are tripled?
a)
the area is tripled
b)
the area is multiplied by 6
c)
the area is divided by 3
d)
the area is multiplied by 9
10.
If a rectangle has an area of 48 cm2, what would be the area of a similar rectangle if the dimensions are doubled?
a)
96 cm2
b)
192 cm2
c)
216 cm2
d)
2304 cm2
11.
Suppose the dimensions of a pentagon with an area of 12 are tripled Find the area of the new pentagon in square inches.
a)
108
b)
36
c)
72
d)
144
12.
If all the edges of a prism are multiplied by 5, then the volume of the prism will be multiplied by ___.
a)
5
b)
25
c)
50
d)
125
13.
If a spherical ball is enlarged so that its surface area in 9 times greater than its original surface area, then the original radius was multiplied by ____.
a)
1
b)
3
c)
9
d)
27
14.
When a cube is tripled in size, then the volume is _______.
a)
81 times larger
b)
27 times larger
c)
9 times larger
d)
3 times larger
15.
The volume of a prism is 80 in3. If each edge is divided by 2 to make a new prism, then the new volume will be _______.
a)
80 in3
b)
40 in3
c)
20 in3
d)
10 in3
100 %
