## Length of hypotenuse using one side length and angle

Here we know the length of the side (a = 3 and b = 4). If we substitute it into the formula, we get: And by taking the square root on both sides, we figure out that the hypotenuse c = 5! Summary for Finding the Hypotenuse.

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## Hypotenuse of a Triangle. Calculator

Important Formula: Sin ( q) = Opposite / Hypotenuse Cos ( q) = Adjacent / Hypotenuse Tan ( q) = Opposite / Adjacent Select what (angle / sides) you want to calculate, then enter the values in

## Finding a Side in a Right-Angled Triangle

Since we know 1 side and 1 angle of this triangle, we will use sohcahtoa. Step 2 Set up an equation using the sine, cosine or tangent ratio Since we want to know the length of the hypotenuse , and we already know the side opposite of the

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