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9th
-
10th
grade

Mathematics

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5 years

Mathematics

9th -

10thgrade

Perimeters and Areas of Similar Figures

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738
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10 questions

10 questions

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1. Multiple Choice
1 minute
1 pt
Find the ratio (red to blue) of the perimeter.
11/6
6/11
121/36
36/121
2. Multiple Choice
1 minute
1 pt
Find the ratio (red to blue) of the perimeter.
9/14
14/9
196/81
81/196
3. Multiple Choice
1 minute
1 pt
What does similar mean?
same shape and same size
same size
sames shape
neither
4. Multiple Choice
1 minute
1 pt
What does congruent mean?
same shape and same size
same size
sames shape
neither
5. Multiple Choice
1 minute
1 pt
The scale factor of two similar figures is 4 : 5. What is the ratio of their perimeters?
4 : 5
16 : 25
64 : 125
8 : 10
6. Multiple Choice
1 minute
1 pt
If the ratio of 2 round dinner plates is 2 : 5, what is the ratio of their areas?
2 : 5
1 : 5
4 : 10
4 : 25
7. Multiple Choice
1 minute
1 pt
Two hexagons are similar with a scale factor of 4/5. If the area of the larger hexagon is 20, what is the area of the smaller hexagon?
10.24
12.8
16
25
8. Multiple Choice
1 minute
1 pt
The area of triangle A is 54 and triangle B is 150. What is the scale factor of A to B?
9:25
27:75
3:5
25:9
9. Multiple Choice
1 minute
1 pt
Find the missing perimeter.
15
20
25
30
10. Multiple Choice
1 minute
1 pt
What is the area ratio of the following rectangles?
10/7
100/49
100/36
4/36
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