Why are the sides of triangles squared? I'm studying the Pythagorean theorem and its a²+b²=c², but why square the a, b, and c? Would a+b=c suffice as well? - Quora
![Pythagorean Theorem Sarah Wales. Voice: In this lesson you will learn how to use the Pythagorean Theorem to find the length of a right triangle's hypotenuse. - ppt download Pythagorean Theorem Sarah Wales. Voice: In this lesson you will learn how to use the Pythagorean Theorem to find the length of a right triangle's hypotenuse. - ppt download](https://images.slideplayer.com/31/9700440/slides/slide_4.jpg)
Pythagorean Theorem Sarah Wales. Voice: In this lesson you will learn how to use the Pythagorean Theorem to find the length of a right triangle's hypotenuse. - ppt download
![SOLVED: Recall the cosine law, which states that in triangle, c2 = a2 + b2 2ab cos 0. B A Use the cosine law to prove the property .v = Ilulllvll cos SOLVED: Recall the cosine law, which states that in triangle, c2 = a2 + b2 2ab cos 0. B A Use the cosine law to prove the property .v = Ilulllvll cos](https://cdn.numerade.com/ask_images/5c04f7220ca94cfeac5ec2f0b6c454b9.jpg)