How do ulyou do Pythagorean theorem

Pythagorean Theorem is simply the formula to find the hypotenuse on a triange (as shown below):

The hypotenuse is the side opposite the right angle.

To find the hypotenuse you need to know the Pythagorean Theorem formula:

$${{\mathtt{a}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{{\mathtt{b}}}^{{\mathtt{2}}} = {{\mathtt{c}}}^{{\mathtt{2}}}$$

$${{\mathtt{c}}}^{{\mathtt{2}}}$$  is the hypotenuse and  $$\left({{\mathtt{a}}}^{{\mathtt{2}}}\right)\,{ and }\,\left({{\mathtt{b}}}^{{\mathtt{2}}}\right)$$  are the other sides. Let's say a was 3 and b was 4

$${{\mathtt{3}}}^{{\mathtt{2}}} = {\mathtt{9}}$$  and  $${{\mathtt{4}}}^{{\mathtt{2}}} = {\mathtt{16}}$$

9+16=25

$${\sqrt{}}$$ 25= 5

$${{\mathtt{3}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{{\mathtt{4}}}^{{\mathtt{2}}} = {{\mathtt{5}}}^{{\mathtt{2}}}$$