Triangle Similarity Theorems and Postulates
Authored by Josephine Bly
Mathematics
10th Grade
CCSS covered
Used 16+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary condition for two triangles to be considered similar according to the Angle-Angle Similarity Theorem?
They must have the same area.
They must be right triangles.
They must have two angles of the same measure.
They must have identical side lengths.
Tags
CCSS.HSG.SRT.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many angles need to match in measure for two triangles to be similar by the Angle-Angle Similarity Theorem?
Four
One
Two
Three
Tags
CCSS.HSG.SRT.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two angles in a triangle are 90 and 20 degrees, what is the measure of the third angle?
50 degrees
60 degrees
70 degrees
40 degrees
Tags
CCSS.8.G.A.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does knowing two angles of a triangle allow you to determine the third angle?
Because the sum of angles in a triangle is always 180 degrees.
Because the sum of angles in a triangle is variable.
Because the sum of angles in a triangle is always 200 degrees.
Because the sum of angles in a triangle is always 90 degrees.
Tags
CCSS.8.G.A.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you want a more detailed explanation of the Angle-Angle Similarity Theorem?
Watch the long form video linked in the description.
Consult a mathematics textbook.
Ignore the details and move on.
Ask a mathematics teacher.
Tags
CCSS.HSG.SRT.B.5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What similarity theorem would prove that these triangles are similar?
Tags
CCSS.HSG.SRT.B.5
7.
MULTIPLE SELECT QUESTION
1 min • 2 pts
Mark the angle pairs which are congruent due to the presence of transversal HK which would help prove that triangles RXH and KXN are congruent.
∠RXK ≅ ∠HXN
∠RHX ≅ ∠NKX
∠CRN ≅ ∠TNC
∠RHX ≅ ∠KXN
Tags
CCSS.HSG.SRT.B.5
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