Similarity Geometry
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Triangle ABC is similar to Triangle EFD. What scale factor is required to dilate triangle ABC so that its image, A'B'C' is congruent to triangle EFD?
2/5
1/2
2
3
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is Line BC parallel to Line DE?
Yes, because the sides are proportional creating similar triangles
No, because the sides are not proportional therefore the triangles are not similar
Tags
CCSS.HSG.SRT.B.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given AC = 6, what sequence of transformations takes triangle AED to Triangle ABC?
Dilate Triangle ADE using Center A and scale factor 1/2, then reflect over Line AD
Dilate Triangle ADE using Center A and scale factor 2, then reflect over Line AC
Rotate Triangle ADE clockwise around center A, then dilate by scale factor 3/2
Reflect Triangle ADE over Line AD, then dilate using center E by scale factor 3/2
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Given a rectangle with right triangles inside, which triangle are similar to triangle AED? Select ALL that apply.
Tags
CCSS.HSG.SRT.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Triangle ABC can be taken to Triangle A'B'C' using rigid motions and a dilation. Select the true equation:
Tags
CCSS.HSG.SRT.A.2
CCSS.8.G.A.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is Line BC parallel to Line DE?
Yes, because the sides are proportional
No, because the sides are not proportional
Tags
CCSS.HSG.SRT.B.4
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Triangle DEF is formed by connecting the midpoints of the sides of Triangle ABC. The lengths of DEF are shown. What are 2 things you know for sure about side BC?
BD is perpendicular to DE
BC is parallel to DF
BA is 8 units
BC is 8 units
Tags
CCSS.HSG.SRT.B.4
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