Proportional Relationships in Triangles

Instructions:

question 1 of 3

If two triangles are similar, their ____ will be proportional A. Largest angles B. Perimeters C. Corresponding altitudes

Create Your Account To Take This Quiz

As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Try it risk-free for 30 days. Cancel anytime

2. The two triangles shown are similar. The green lines represent the angle bisectors. What is the length of side x?

Create your account to access this entire worksheet
Quizzes, practice exams & worksheets
Certificate of Completion
Create an account to get started

Quiz yourself on finding the perimeter, altitude and side lengths of similar triangles. These practice questions ask you to apply geometric principles to sets of proportional triangles.

Quiz & Worksheet Goals

This quiz on proportional triangles will test your ability to:

• Find the ratio of the altitudes of two similar triangles
• Calculate the length of a side given a pair of proportional triangles and their angle bisectors
• Solve for the perimeter of one triangle given the perimeter of a similar triangle

Skills Practiced

• Critical thinking - apply the rules of similar triangles to a word problem describing two such triangles
• Problem solving - use your geometry skills to find the perimeter of a triangle and the lengths of sides and altitudes within similar triangles
• Defining key concepts - identify the characteristics of important terms such as similar triangles