Similar Triangle Unknown Length
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Similar Triangles can be used to find the distance across the river. Review the picture. Find the missing side measurement in the picture using a proportion.
x = 900 m
25 m
x = 25 m
x = 0.04 m
Tags
CCSS.HSG.SRT.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fill in the similarity statement for these two triangles.
ΔLMN ~
ΔGEF
ΔEFG
ΔFEG
ΔGFE
Tags
CCSS.HSG.SRT.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on the drawing, which of the following statements is true?
The triangles are similar because the lengths of the sides are congruent.
The triangles are not similar because the corresponding angles are not congruent.
The triangles are similar because the corresponding angles are congruent.
Can not determine if the triangles are similar because the scale factor is unknown.
Tags
CCSS.HSG.SRT.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Gateway Arch in Missouri casts a 120 foot shadow while a 16 foot pole casts a 4 foot shadow. How tall is the Arch?
30 feet
360 feet
480 feet
600 feet
Tags
CCSS.HSG.SRT.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which conditions must be met for two triangles to be similar?
Corresponding angles are congruent, and corresponding sides are proportional.
Corresponding angles are congruent, and corresponding sides are congruent.
Corresponding angles are unequal, and corresponding sides are proportional.
Corresponding angles are proportional, and corresponding sides are congruent.
Tags
CCSS.HSG.SRT.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Figure Y is a dilation of Figure X.Which number best represents the scale factor used to change Figure X into Figure Y?
0.25
1.5
4
4.5
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)
AA
SAS
SSS
Not Similar
Tags
CCSS.HSG.SRT.B.5
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