Worksheets1/24/20 Practice
Total questions: 30
Worksheet time: 3600secs
Rectangle ABCD is similar to rectangle A’B’C’D’.
If the perimeter of rectangle ABCD is 18 units and it is dilated by a scale factor of 2, what is the perimeter of rectangle A’B’C’D’?
10 units
28 units
18 units
36 units
Rectangle ABCD is similar to rectangle A’B’C’D’. Each dimension of rectangle ABCD is 4.3 times the corresponding dimension of rectangle A’B’C’D’. Which of the following statements is true?
The area of rectangle A’B’C’D’ is 8.6 times the area of rectangle ABCD.
The perimeter of rectangle A’B’C’D’ is 8.6 times the perimeter of rectangle ABCD.
The area of rectangle A’B’C’D’ is 18.49 times the area of rectangle ABCD.
The perimeter of rectangle A’B’C’D’ is 18.49 times the perimeter of rectangle ABCD.
If the side lengths of the square below are tripled, what is NOT true about its perimeter and area?
The scale factor from the pre-image to the image is 3.
The image’s perimeter will be three times larger and the area will be 9 times larger than the pre-image.
The image’s perimeter will be 72 mm and the area will be 324 mm.
The image’s perimeter and area will be three times larger than the pre-image.
Rectangle DEFG is similar to rectangle D’E’F’G’.
If the pre-image area of rectangle DEFG is 80 units and it is dilated by a scale factor of ½, what is true about the image’s perimeter?
The image’s perimeter is twice as large as the pre-image’s perimeter.
The image’s perimeter is half as large as the pre-image’s perimeter.
The image’s perimeter is ¼ as large as the pre-image’s perimeter.
Cannot be determined.
A 24 x 32 inch photograph is reduced so that each side is one-fourth the original size. What is the number of square inches in the smaller photograph and the new perimeter length?
48 cm2 / 28 cm
28 cm2 / 48 cm
6 cm2 / 8 cm
768 cm2 / 112 cm
The sides’ measures of two squares are shown below. The area of the smaller square is 81 square feet. What is the area of the larger square?
9 cm2
27 cm2
384 cm2
729 cm2
Sides a and b are called legs.
True
False
Side c on a right triangle is ALWAYS the longest.
True
False
Does the set of numbers represent a right triangle?
20, 25, 15
Yes
No
√5, 3, 2½, √8
If a square has an area of 252 ft², describe the side length of the square:
Each side of the square would be 63 feet.
Each side of the square would be 25.2 ft.
Each side of the square would be between 15.87 feet.
Each side of the square would be 126 feet.
List the following numbers from least to greatest:
-64 , 3.5 , √27 , 6.666...
-64 , 3.5 , √27 , 6.666...
3.5 , √27 , 6.666..., -64
3.5, -64, √27, 6.666...
6.666, √27, -64, 3.5
Point B could represent which of the following numbers?
24
30
35
42
An inequality is shown.
2 < x < 3
Which value of x does not make the inequality true?
π
25
514
2.9
Angelo has a square table that he is going to cover with 67 square feet of paper perfectly, with no overlap. Which measurement is closest to the side length of the table?
8 ft.
13 ft.
17 ft.
35 ft.
Which venn diagram correctly represents the relationship between rational numbers and irrational numbers?
The slide at the playground has a height of 6 feet. The base of the slide measured on the ground is 8 feet. What is the length of the slide?
8 feet
5.29 feet
10 feet
14 feet
A 13-foot ladder is leaning against a house at the 2nd floor window. The base of the ladder is 5 feet away from the house. How high up is the 2nd floor window?
8 ft.
12 ft.
14 ft.
18 ft.
Will the following model create a right triangle?
Yes
No
Will the following modle create a right triangle?
Yes
No
