The two figures are similar. Find the ratios (red to blue) of the perimeters and of the areas.
Perimeter: 11/6 Area: 36/121
Perimeter: 11/6 Area: 121/36
Perimeter: 4/11 Area: 144/25
Perimeter: 4/11 Area: 64/16
2. Multiple Choice
5 minutes
1 pt
The two ratios are similar. Find the ratios (red to blue) of the perimeters and of the areas.
Perimeter: 4/6 Area: 25/64
Perimeter: 4/16 Area: 8/16
Perimeter: 5/8 Area: 25/64
Perimeter: 14/9 Area: 121/64 Area:
3. Multiple Choice
5 minutes
1 pt
Rotate the coordinates 90° CCW. A (4, 1) B (6, -2) C (8, -4)
A' (1, 4) B'(-2, -6) C' (-4, -8)
A' (3, 4) B' (1, 6) C' (8, 2)
A' (-1,4) B' (2,6) C'(4,8)
A' (-1, -4) B'(-2, -6) C' (4, -8)
4. Multiple Choice
5 minutes
1 pt
The ratio of the figures is 8:5. Find the missing measure.
x = 25.6
x = 25
x = 43
x = 23
5. Multiple Choice
5 minutes
1 pt
Translate the points 3 units right and 6 units down. S (4, -6) T (-6, 10) U (-4, -8)
S' (-7, -12) T' (-3, -4) U' (5, 10)
S' (7, -12) T' (3, 4) U' (1, 14)
S' (7, 12) T' (3, 4) U' (1, 14)
S' (7, -12) T' (-3, 4) U' (-1, -14)
6. Multiple Choice
5 minutes
1 pt
Rotate the coordinates 270° counterclockwise. A (-5,-5) B (-4, -2) C ( 0,1) D (4, 1)
A' (5,5) B' (2, 4) C' (0, -1) D' (4, -1)
A' (-5,5) B' (-2, 4) C' (1,0) D'(1,-4)
A'(5, -5) B'(-2, -4) C' (-1, -0) D' (4, 1)
A' (5, 5) B' (4, 2) C'(0, -1) D' (-4, -1)
7. Multiple Choice
5 minutes
1 pt
Translate the points two left and six up. W (4, 8) X (3, -2) Y (6, 5)
W' (4, 19) X' (4, 18) Y' (4, 16)
W' (-4, -8) X' (-2, -18) Y' (5, 16)
W' (5, 10) X' (-3, 2) Y' (-6, 5)
W' (2, 14) X' (1,4) Y' (4, 11)
8. Multiple Choice
5 minutes
1 pt
The playing surfaces of two foosball tables are similar. The ratio of the corresponding side lengths is 10:7. What is the ratio of the areas?
200: 494
100 : 28
832 : 48
100 : 49
9. Multiple Choice
15 minutes
1 pt
A rectangular school banner has a length of 44 inches, a perimeter of 156 inches, and an area of 1496 square inches. The cheerleaders make signs similar to the banner. The length of a sign is 11 inches. What is its perimeter and its area?
Perimeter: 34 in Area: 58 in₂
Perimeter: 39 in. Area: 93.5 in2
Perimeter: 15 in Area: 67 in2
Perimeter: 54 in Area: 834 in 2
10. Multiple Choice
5 minutes
1 pt
The figures are similar. Find x.
18.5
30.5
20.5
16.5
11. Multiple Choice
5 minutes
1 pt
Find the ratios (red to blue) of the perimeter and the area.
Perimeter : 4/7 Area: 16/49
Perimeter: 15/8 Area: 30/16
Perimeter: 40/4 Area: 19/15
Perimeter: 18/40 Area: 15/30
12. Multiple Choice
5 minutes
1 pt
Find the ratios (red to blue) of the perimeter and the area.