# How to solve for a side in right triangles

In this blog post, we will take a look at How to solve for a side in right triangles.

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## Solving expressions using 45-45-90 special right triangles

There are many ways to find the side length of a right triangle. We are going to focus on two specific cases. Case I When we know 2 sides of the right triangle, use the Pythagorean theorem . Case II We know 1 side and 1 angle of the right

## Finding the lengths of the sides of a triangle given 3 angles only.

Step 1 The two sides we are using are Opposite (70) and Hypotenuse (w). Step 2 SOHCAHTOA tells us to use Sine. Step 3 Write down: sin 68° = 70/w. Step 4 Solve: The unknown length is on the bottom (the denominator) of the fraction! So we
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## How to Find the Missing Angle of a Triangle (Video & Examples)

A right triangle has side lengths of 3 cm and 4 cm. Find the length of the hypotenuse. Substitute . a=3 and b=4 into the Pythagorean Theorem and solve for c. a²+b²=c².