Similar Triangles
8 Questions
Settings
-
+
Questions and Answers
- 1.Which of the following triangles are always similar?
- A.
Right triangle
- B.
Obtuse triangle
- C.
Equilateral triangle
- D.
Isoceles triangle
- 2.What is true of angles of similar triangles?
- A.
Opposite angles are congruent.
- B.
Corresponding angles are congurent.
- C.
Corresponding angles are 90 degrees.
- 3.
- A.
Three pairs of corresponding sides are proportional (SSS).
- B.
Two pairs of corresponding sides are proportional and their included angles are equal (SAS).
- C.
Two pairs of corresponding sides are proportional and one pair of non-included angles are equal (SSA).
- D.
Two pairs of angles are equal (AA).
- 4.The sides of a triangle are 7, 10 and 12. Find the length of the longest side of a similar triangle whose shortest side is 21.
- A.
12
- B.
21
- C.
30
- D.
36
- 5.In triangle ABC, angle A = 90º and angle B = 25º. In triangle DEF, angle E = 25º and angle F = 65º. Are the triangles similar?
- A.
True
- B.
False
- 6.Two triangles are similar. If the ratio of the perimeters is 5 : 3, find the ratio of the corresponding sides.
- A.
5 : 3
- B.
15 : 9
- C.
25 : 9
- 7.
![]()
State the conditions of similarity for the following pair of triangles. - 8.
![]()
Find the unknown length x in the following figure.
Back to top