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More Lessons for Grade 8 Math

Math Worksheets

Examples, videos, worksheets, stories, and solutions to help Grade 8 students learn about the special right triangles :45-45-90, 30-60-90.

**Solving Special Right Triangles**

When solving special right triangles, remember that a 30-60-90 triangle has a hypotenuse twice as long as one of the sides, and a 45-45-90 triangle has two equal sides. Memorize rules that relate to special right triangles
**Solving Right Triangles 45-45-90 and 30-60-90**

If you are given one side of a 45-45-90 triangle or one side of a 30-60-90 triangle, you have enough information to solve for each of the two missing sides. This video shows how to do it, going from smaller sides to larger sides and larger sides to smaller sides. It also shows how the found sides can be used to find the perimeter and area of the right triangle.

**Special Right Triangle Explanation**

How to find the missing sides of right triangles using the relationships of sides for 30-60-90 right triangles, 45-45-90 right triangles, and 3-4-5 right triangles

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons for Grade 8 Math

Math Worksheets

Examples, videos, worksheets, stories, and solutions to help Grade 8 students learn about the special right triangles :45-45-90, 30-60-90.

When solving special right triangles, remember that a 30-60-90 triangle has a hypotenuse twice as long as one of the sides, and a 45-45-90 triangle has two equal sides. Memorize rules that relate to special right triangles

If you are given one side of a 45-45-90 triangle or one side of a 30-60-90 triangle, you have enough information to solve for each of the two missing sides. This video shows how to do it, going from smaller sides to larger sides and larger sides to smaller sides. It also shows how the found sides can be used to find the perimeter and area of the right triangle.

How to find the missing sides of right triangles using the relationships of sides for 30-60-90 right triangles, 45-45-90 right triangles, and 3-4-5 right triangles

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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