What are similar triangles?
Similar Triangles (Flash cards)

Quiz
•
Mathematics
•
10th Grade
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Triangles that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.
Triangles that have the same size and shape, with all sides and angles equal.
Triangles that have different shapes but the same area.
Triangles that are always right-angled and have one angle equal to 90 degrees.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the relationship between the sides of similar triangles?
The ratios of the lengths of corresponding sides of similar triangles are equal.
The lengths of corresponding sides are always equal.
The sum of the lengths of the sides is equal in similar triangles.
The angles of similar triangles are always equal.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the first step in determining if two triangles are similar?
Identify and compare the angles of both triangles.
Calculate the area of both triangles.
Measure the lengths of the sides of both triangles.
Check if the triangles are congruent.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the significance of the included angle in the SAS postulate?
The included angle must be equal for the triangles to be considered similar under the SAS postulate.
The included angle must be greater than 90 degrees for the triangles to be similar.
The included angle can vary as long as the sides are proportional.
The included angle is irrelevant to the similarity of the triangles.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Provide an example of using the AA postulate to prove similarity.
If Triangle ABC has angles of 30°, 60°, and 90°, and Triangle DEF has angles of 30°, 60°, and 90°, then Triangle ABC ~ Triangle DEF by AA.
If Triangle GHI has angles of 45°, 45°, and 90°, and Triangle JKL has angles of 30°, 60°, and 90°, then Triangle GHI ~ Triangle JKL by AA.
If Triangle MNO has angles of 30°, 60°, and 90°, and Triangle PQR has angles of 60°, 60°, and 60°, then Triangle MNO ~ Triangle PQR by AA.
If Triangle STU has angles of 30°, 30°, and 120°, and Triangle VWX has angles of 30°, 60°, and 90°, then Triangle STU ~ Triangle VWX by AA.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the AA similarity postulate?
If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar.
If the sides of one triangle are proportional to the sides of another triangle, then the triangles are similar.
If two sides of one triangle are equal to two sides of another triangle, then the triangles are congruent.
If the angles of a triangle sum up to 180 degrees, then the triangle is valid.
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How do you apply the SAS postulate in a problem?
Verify that two sides of one triangle are proportional to two sides of another triangle and that the angle between those sides is equal.
Check that all three sides of the triangles are equal in length.
Ensure that the angles of both triangles are equal and the sides are not proportional.
Determine that one triangle is a right triangle and the other is not.
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