# Lily is framing the outside of her desk, but has forgotten all of her tools except for her tape...

## Question:

Lily is framing the outside of her desk, but has forgotten all of her tools except for her tape measure. How does Lily make sure all of the corners of her desk are an exact right angle? (Solve this question using the Pythagorean Theorem).

## Pythagoras Theorem:

A triangle is a two-dimensional figure bounded by three sides. A triangle has three internal angles and three vertices. There are different type of triangles based on the measure of their sides and internal angles. One such triangle is a right-angled triangle which follows Pythagoras Theorem.

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We need to first understand the Pythagoras Theorem which we will be using in this problem. A right-angled triangle has one of its internal angle... The Pythagorean Theorem: Practice and Application

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Chapter 14 / Lesson 6
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Learn what the Pythagorean theorem is. Discover how to prove and use the Pythagorean theorem with examples, and identify how this theorem is used in real life.