Trigonometry Examples

$5$ , $12$ , $13$

Step 1

Check if the three sides make the pythagorean theorem true.

$5^{2} + 12^{2} = 13^{2}$

Step 2

Determine if $5^{2} + 12^{2} = 13^{2}$ is true.

Tap for more steps...

Step 2.1

Simplify each term.

Tap for more steps...

Step 2.1.1

Raise $5$ to the power of $2$ .

$25 + 12^{2} = 13^{2}$

Step 2.1.2

Raise $12$ to the power of $2$ .

$25 + 144 = 13^{2}$

Step 2.2

Add $25$ and $144$ .

$169 = 13^{2}$

Step 2.3

Raise $13$ to the power of $2$ .

$169 = 169$

Step 3

Since $169 = 169$ , the three sides form a right triangle.

Right triangle