Trigonometry Examples

$3$ , $4$ , $5$

Step 1

Check if the three sides make the pythagorean theorem true.

$3^{2} + 4^{2} = 5^{2}$

Step 2

Determine if $3^{2} + 4^{2} = 5^{2}$ is true.

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Step 2.1

Simplify each term.

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Step 2.1.1

Raise $3$ to the power of $2$ .

$9 + 4^{2} = 5^{2}$

Step 2.1.2

Raise $4$ to the power of $2$ .

$9 + 16 = 5^{2}$

Step 2.2

Add $9$ and $16$ .

$25 = 5^{2}$

Step 2.3

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

$25 = 25$

Step 3

Since $25 = 25$ , the three sides form a right triangle.

Right triangle