Is It a Right Triangle?

Is it a right triangle? RECTANGLE edition

Open Ended

What is the pythagorean theorem?

Can we create this rectangle using right triangles?

Refresher: Is it a right triangle?

• We can use the pythagorean theorem to check if a triangle is a right triangle

•  $a^2+b^2=c^2$  

New application: Is it a RECTANGLE?

How could we use the pythagorean theorem to figure out if a shape is a rectangle? (Given w, l, and d)

Is it a rectangle?

•  $a^2+b^2=c^2$  

• Yes, it is a rectangle

Is it a rectangle?

•  $a^2+b^2=c^2$  

• No, it is NOT a rectangle

Is it a rectangle?

•  $a^2+b^2=c^2$  

• Yes, it is a rectangle