Short-Question

# How do you find the side length of a scalene triangle?

## How do you find the side length of a scalene triangle?

Once these measurements are mentioned, we can use the las of cosines to find out the missing side of a scalene triangle. The formula used is: The law of cosines says c2 = a2 + b2 – 2ab cos(c), where c is the angle opposite to the third side.

## How many equal lengths does a scalene triangle have?

three
A scalene triangle has three different angles and none of its sides are equal in length.

Do scalene triangles add up to 180?

The interior angles of a triangle add up to 180 degrees. Here are the triangles you are expected to know about: Equilateral Triangle. Isosceles Triangle.

### What are the sides of a scalene triangle?

A scalene triangle has three sides, each of a different length and three angles each of different measurements. It also follows the angle sum property of the triangle. Since the lengths of sides are unequal and even angles are of different measures, a scalene triangle doesn’t show symmetry.

### How is scalene triangle?

A scalene triangle is a triangle in which all three sides have different lengths. Also the angles of a scalene triangle have different measures. Some right triangles can be a scalene triangle when the other two angles or the legs are not congruent.

How much is a scalene triangle equal to?

A scalene triangle is a type of triangle with all the three sides unequal in length, and also the measurement of all three angles of a scalene triangle is different. However, the sum of all the interior angles of a scalene triangle is always equal to 180 degrees.

## What are the rules of a triangle?

Various Rules of Triangles. AA Rules: If two of the angles of one triangle is equal to the two angles of another triangle, and then the triangle is said to be similar. RAR Rules: If the angle of one triangle is the same as the angle of another triangle and the sides containing these angles are in the same ratio, then the triangles are similar.

## What is the scale factor of similar triangles?

When two triangles are similar, the reduced ratio of any two corresponding sides is called the scale factor of the similar triangles. In Figure 1, Δ ABC∼ Δ DEF. Figure 1 Similar triangles whose scale factor is 2 : 1. The ratios of corresponding sides are 6/3, 8/4, 10/5. These all reduce to 2/1.

What is the equation for a triangle?

A triangle is one of the most basic shapes in geometry. The best known and the simplest formula, which almost everybody remembers from school is: area = 0.5 * b * h, where b is the length of the base of the triangle, and h is the height/altitude of the triangle.

### What does a scalene triangle look like?

Scalene triangles are a special type of triangles in geometry. They are defined as triangles with three unequal sides and three unequal angles. This means most triangles drawn at a random would be scalene. In the above figure, all the three sides and all the three internal angles of the triangle are different. Thus, it is a scalene triangle.