HG_6.2.1 Video Lesson - Proving Triangles Similar
Authored by Daphne Long
Mathematics
9th Grade
CCSS covered
Used 2+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method for proving triangles similar?
Side-Side-Side (SSS)
Angle-Angle (AA)
Hypotenuse-Leg (HL)
Side-Angle-Side (SAS)
Tags
CCSS.HSG.SRT.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two pairs of angles in two triangles are congruent, what can be concluded about the triangles?
They are similar by the SAS method.
They are similar by the SSS method.
They are similar by the AA method.
They are congruent.
Tags
CCSS.8.G.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true about the sides of two triangles to prove similarity using the SSS method?
At least one pair of sides must be proportional.
Two pairs of sides must be proportional and one angle must be congruent.
All three pairs of sides must be proportional.
All three pairs of sides must be congruent.
Tags
CCSS.HSG.SRT.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the SAS method, what is the role of the included angle?
It must be larger in one triangle than the other.
It must be proportional between the two triangles.
It must be congruent between the two triangles.
It must be smaller in one triangle than the other.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the scale factor (k) between two triangles is 3, what does this mean about their corresponding sides?
The sides of the larger triangle are three times the length of the smaller triangle.
The sides of the smaller triangle are three times the length of the larger triangle.
The sides of the larger triangle are one-third the length of the smaller triangle.
The sides of both triangles are equal.
Tags
CCSS.7.G.A.1
6.
LABELLING QUESTION
1 min • 1 pt
CYU #1
Use the diagram to determine if the triangles are similar and then fill in the remaining blanks. (Note: If there is a dilation, it should be listed last.)
Translation
No
Rotation
Yes
5/4
AA~
SSS
SAS
Reflection
Dilation
Tags
CCSS.HSG.SRT.B.5
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
CYU #2
Is there enough information to prove these triangles are similar? Choose all that are correct.
Not by SSS
because
no side lengths given
Not by SAS
because
no side lengths given
Tags
CCSS.HSG.SRT.B.5
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