What is the relationship between DE and AC in triangle ABC?

Triangle Similarity and Proportions

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DE is a tangent to AC
DE is equal to AC
DE is parallel to AC
DE is perpendicular to AC
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the problem involving triangle ABC?
Calculate the area of triangle ABC
Assume DE is equal to AC
Draw triangle ABC and mark the points D and E
Find the length of DE directly
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are angles A and BDE considered congruent?
They are both right angles
They are corresponding angles due to parallel lines
They are alternate interior angles
They are supplementary angles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of DE being parallel to AC in solving the problem?
It allows us to use the Pythagorean theorem
It indicates that DE and AC are equal in length
It helps establish angle congruence for similar triangles
It means DE is a tangent to AC
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangles are identified as similar in the problem?
Triangle DBE and triangle ABC
Triangle ABD and triangle CDE
Triangle ABE and triangle DBC
Triangle ABC and triangle ADE
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the length of segment AB in triangle ABC?
9
5
7
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the proportion set up to find the length of DE?
5/3 = 15/x
x/3 = 15/5
3/x = 5/15
3/5 = x/15
Create a free account and access millions of resources
Similar Resources on Quizizz
11 questions
Triangles and Proportions Concepts

Interactive video
•
9th - 10th Grade
10 questions
Triangle Properties and Pythagorean Theorem

Interactive video
•
9th - 10th Grade
10 questions
Comparing Slopes in Triangles

Interactive video
•
9th - 10th Grade
11 questions
Geometric Mean and Altitude in Triangles

Interactive video
•
9th - 10th Grade
6 questions
Triangle Similarity and Proportions

Interactive video
•
9th - 10th Grade
10 questions
Understanding Similar Triangles Concepts

Interactive video
•
9th - 10th Grade
10 questions
Properties of Angles and Triangles

Interactive video
•
9th - 10th Grade
11 questions
Properties of Parallel Lines and Triangles

Interactive video
•
9th - 10th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
Discover more resources for Mathematics
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
10 questions
Exponential Growth and Decay Word Problems

Quiz
•
9th Grade
45 questions
Week 3.5 Review: Set 1

Quiz
•
9th - 12th Grade
17 questions
High School Survival Guide

Lesson
•
9th - 12th Grade
15 questions
Factoring Quadratics

Quiz
•
9th Grade