The two right triangles below are similar. What is x, the missing side length in triangle DEF?
Scale Factors with Ratios in Polygons

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.75
9.75
10
12
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine if triangle KLM and triangle NOP are or are not similar, and, if they are, state how you know. (Note that figures are NOT necessarily drawn to scale.)
The triangles are not similar.
The triangles are similar because SSS (three sides proportional).
The triangles are similar because AA (two angles congruent).
The triangles are similar because SAS (two sides proportional, included angle congruent).
The triangles are similar because SAS (two sides and included angle congruent).
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine if triangle HIJ and triangle KLM are or are not similar, and, if they are, state how you know. (Note that figures are NOT necessarily drawn to scale.)
The triangles are not similar.
The triangles are similar because SSS (three sides proportional).
The triangles are similar because SSS (three sides congruent).
The triangles are similar because SAS (two sides proportional, included angle congruent).
The triangles are similar because SAS (two sides and included angle congruent).
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determine if triangle JKL and triangle MNO are or are not similar, and, if they are, state how you know. (Note that figures are NOT necessarily drawn to scale.)
The triangles are not similar.
The triangles are similar because SSS (three sides proportional).
The triangles are similar because SSS (three sides congruent).
The triangles are similar because SAS (two sides proportional, included angle congruent).
The triangles are similar because SAS (two sides and included angle congruent).
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
State if the polygons are similar.
The polygons ARE similar.
The polygons are NOT similar because corresponding angles are not congruent.
The polygons are NOT similar because corresponding sides are not proportional.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
State if the polygons are similar.
The polygons ARE similar.
The polygons are NOT similar because corresponding angles are not congruent.
The polygons are NOT similar because corresponding sides are not proportional.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the scale factor of ΔABC to ΔDEF?
1/2
7/3
2
10/3
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