Finding the missing value using similarity in triangles

Interactive Video
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Mathematics
•
11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the criteria for proving that two triangles are similar?
Having two equal sides
Having three equal angles
Having two equal angles
Having one equal angle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can parallel lines help in proving triangle similarity?
By forming alternate interior angles
By bisecting the angles
By creating equal sides
By making the triangles congruent
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the proportion set up for the sides of the similar triangles in the video?
x - 3 is to x + 18 as 4 is to 16
x + 3 is to x - 18 as 4 is to 16
x - 3 is to x + 18 as 16 is to 4
x + 3 is to x - 18 as 16 is to 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving for x using cross multiplication?
Divide the cross products
Subtract the angles
Add the sides
Multiply the cross products
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final value of x after solving the equation?
8.5
9.3
12
10
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