# Properties of Right Triangle

If you have knowledge on right triangle, then it is time to study the properties of right triangle clearly.

## Basic Properties

There are two fundamental properties in a right triangle

#### Relation between angles

In a right triangle, one angle is 90 but other two angles are complementary angles and sum of them is also a right triangle.

#### Relation between sides

The great Greek mathematician Pythagoras identified that the square of hypotenuse is equal to sum of squares of opposite and adjacent sides in a right triangle. It is called as Pythagorean theorem.

$\large c^2 = a^2 + b^2$

Here, length of opposite side is $a$, length of adjacent side is $b$ and length of hypotenuse is $c$.

### Properties for standard angles

There are some advanced notable properties for every standard angle. Here is the list of right angled triangle’s properties for all standard angles.

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