Contents

- 1 How do you define a right triangle?
- 2 What are the 3 sides of a right triangle?
- 3 What is true about right triangles?
- 4 What are right triangles used for?
- 5 Which is the shortest side of a right triangle?
- 6 What is the height of a right triangle?
- 7 Why is it called a right angled triangle?
- 8 Does 5/12/13 make a right triangle?
- 9 What type of triangle is 8 15 17?
- 10 What do all right triangles have in common?
- 11 How many right triangles are there?
- 12 How many right angles has a right triangle?
- 13 How do you do special right triangles?
- 14 What are the rules for special right triangles?

## How do you define a right triangle?

A right triangle (American English) or right -angled triangle (British) is a triangle in which one angle is a right angle (that is, a 90-degree angle). The relation between the sides and angles of a right triangle is the basis for trigonometry.

## What are the 3 sides of a right triangle?

In a right triangle, the hypotenuse is the longest side, an “opposite” side is the one across from a given angle, and an “adjacent” side is next to a given angle.

## What is true about right triangles?

A right triangle has one angle equal to 90 degrees. A right triangle can also be an isosceles triangle –which means that it has two sides that are equal. A right isosceles triangle has a 90-degree angle and two 45-degree angles. You can find an endless number of examples of right triangles.

## What are right triangles used for?

Right triangles are used by carpenters, architects, and surveyors to ensure “square corners”. Take 3 measurements and apply the Pythagorean Theorem to be sure you have a rectangle. Pastures for animals are usually rectangular in shape. A farmer uses a right triangle to check to see if the fencing will form a rectangle.

## Which is the shortest side of a right triangle?

In any triangle, the longest side is opposite the largest angle, and the shortest side is opposite the smallest angle. Thus, in a right triangle, the hypotenuse is always the longest side.

## What is the height of a right triangle?

The height of a triangle is the distance from the base to the highest point, and in a right triangle that will be found by the side adjoining the base at a right angle. So if the base is, then and vise versa.

## Why is it called a right angled triangle?

A right – angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or any one angle is a right angle. Therefore, this triangle is also called the right triangle or 90-degree triangle.

## Does 5/12/13 make a right triangle?

The 5 12 13 triangle is an SSS special right triangle with the ratio between its side lengths as 5, 12, and 13. It is a common Pythagorean triple that is worth memorizing to save time when dealing with right triangles. The other common SSS special right triangle is the 3 4 5 triangle.

## What type of triangle is 8 15 17?

If all three sides of a right triangle have lengths that are integers, it is known as a Pythagorean triangle. In a triangle of this type, the lengths of the three sides are collectively known as a Pythagorean triple. Examples include: 3, 4, 5; 5, 12, 13; 8, 15, 17, etc.

## What do all right triangles have in common?

Right triangles are triangles in which one of the interior angles is 90 degrees, a right angle. Since the three interior angles of a triangle add up to 180 degrees, in a right triangle, since one angle is always 90 degrees, the other two must always add up to 90 degrees (they are complementary).

## How many right triangles are there?

There are three types of special right triangles, 30-60-90 triangles, 45-45-90 triangles, and Pythagorean triple triangles.

## How many right angles has a right triangle?

1 Answer. Daniel L. A right triangle has only one right angle.

## How do you do special right triangles?

Step 1: This is a right triangle with two equal sides so it must be a 45°-45°-90° triangle. Step 2: You are given that the both the sides are 3. If the first and second value of the ratio x:x:x√2 is 3 then the length of the third side is 3√2. Answer: The length of the hypotenuse is 3√2 inches.

## What are the rules for special right triangles?

A 30-60-90 triangle is a special right triangle (a right triangle being any triangle that contains a 90 degree angle) that always has degree angles of 30 degrees, 60 degrees, and 90 degrees. Because it is a special triangle, it also has side length values which are always in a consistent relationship with one another.