5.3 Academic Practice With Similarity
12 Questions
| Total Attempts: 156
Assignment 5. 3 Mixed problems solving proportions.
Questions and Answers
- 1.1. Which of the following triangles are always similar?
- A.
Right Triangles
- B.
Isosceles Triangles
- C.
Equilateral Triangles
- 2.2. The sides of a triangle are 5, 6 and 10. Find the length of the longest side of a similar triangle whose shortest side is 15.
- A.
10
- B.
15
- C.
18
- D.
30
- 3.3. TRUE or FALSE: Similar triangles are exactly the same shape and size.
- A.
True
- B.
False
- 4.
![4. Given: In the diagram, DE is parallel to AC, BD = 4,
DA =6 and EC = 8. Find BC to the nearest tenth.
- ProProfs]( "4. Given: In the diagram, DE is parallel to AC, BD = 4,
DA =6 and EC = 8. Find BC to the nearest tenth.")
4. Given: In the diagram, DE is parallel to AC, BD = 4, DA =6 and EC = 8. Find BC to the nearest tenth.- A.
3.2
- B.
5.3
- C.
8.3
- 5.
![5. Given: In the diagram, DE is parallel to AC, BD = 4, DA=8, EC=9. Find BC to the nearest tenth.
- ProProfs]( "5. Given: In the diagram, DE is parallel to AC, BD = 4, DA=8, EC=9. Find BC to the nearest tenth.")
5. Given: In the diagram, DE is parallel to AC, BD = 4, DA=8, EC=9. Find BC to the nearest tenth.- A.
3
- B.
4.5
- C.
13.5
- D.
17
- 6.6. Two ladders are leaned against a wall such that they make the same angle with the ground. The 10' ladder reaches 8' up the wall. How much further up the wall does the 18' ladder reach?
- A.
4.5 ft
- B.
6.4 ft
- C.
14.4 ft
- D.
22.4 ft
- 7.7. At a certain time of the day, the shadow of a 5' boy is 8' long. The shadow of a tree at this same time is 28' long. How tall is the tree?
- A.
8.5
- B.
16
- C.
17.5
- D.
20
- 8.8. Given: Two regular polygons are similar. One side of the larger polygon is 9 inches and one side of the smaller polygon is 6 inches. What is their ratio of similitude (larger to smaller)?
- A.
3:1
- B.
2:3
- C.
3:2
- 9.10. In triangle ABC, angle A = 90º and angle B = 35º. In triangle DEF, angle E = 35º and angle F = 55º. Are the triangles similar?
- A.
Yes
- B.
No
- 10.
![11. Given angle A and angle A' are each 59º, find AC.
- ProProfs]( "11. Given angle A and angle A' are each 59º, find AC.")
11. Given angle A and angle A' are each 59º, find AC.- A.
8
- B.
10
- C.
12
- D.
18
- 11.
![12. Is triangle ABC similar to triangle ADE?
- ProProfs]( "12. Is triangle ABC similar to triangle ADE?")
12. Is triangle ABC similar to triangle ADE?- A.
Yes
- B.
No
- 12.
![13. As marked, by which method would it be possible to prove these triangles similar (if possible)?
- ProProfs]( "13. As marked, by which method would it be possible to prove these triangles similar (if possible)?")
13. As marked, by which method would it be possible to prove these triangles similar (if possible)?- A.
AA
- B.
SSS
- C.
SAS
- D.
Not similar
Assignment 5.3 Mixed problems solving proportions.
Questions: 16 | Attempts: 110 | Last updated: Mar 4, 2013
-
Sample Question1. Which of the following triangles are always similar?
Questions: 20 | Attempts: 261 | Last updated: Dec 9, 2019
Please take care with your answers. You will have only one chance with this quiz.I wish each student luck with this quiz.
Questions: 15 | Attempts: 210 | Last updated: Feb 25, 2015
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Sample QuestionComplete the proportion.4 markers cost $5. What is the cost of 11 markers?
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