# 45-45-90 Triangle: Theorem, Rules & Formula

Instructions:

question 1 of 3

### Correctly complete the statement: A 45-45-90 triangle must have

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### 2. Correctly complete the statement: The hypotenuse is always

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45-45-90 triangles are triangles that have exactly one right angle and two legs of equal length. By taking the interactive quiz, you will answer multiple choice questions that test your knowledge of the Pythagorean Theorem and how it can be used to solve for missing triangle information, as well as the definition of terms like hypotenuse and leg.

## Quiz & Worksheet Goals

Use these assessment tools to assess your knowledge of:

• How to calculate the length of legs or the hypotenuse of a 45-45-90 triangle
• How to solve equations using the Pythagorean Theorem
• The mathematical rules of 45-45-90 triangles
• The relationships between side lengths and angles of 45-45-90 triangles

## Skills Practiced

This worksheet and quiz let you practice the following skills:

• Problem solving - use acquired knowledge to solve for the lengths of legs or the hypotenuse of 45-45-90 triangles
• Interpreting information - verify that you can read information regarding the Pythagorean Theorem and interpret it correctly
• Information recall - access the knowledge you've gained regarding the equations and rules for 45-45-90 triangles