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# How Many Angles Are in a Triangle?

No matter what type of triangle is in question, there are always three angles in a triangle. The angle sizes vary on the type of triangle, but there are always three that add up to 180 degrees.

Continue ReadingIf the triangle is an equilateral triangle, then all three angles are exactly 60 degrees each. A right-angled triangle has one angle of 90 degrees, which is the right angle, with two more angles that total 90 degrees when added together. Any triangle that has two equal angles is called an isosceles triangle. A triangle whose angles are all different sizes is a scalene triangle.

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Q:
## What Are the 30-60-90 Triangle Rules?

A: A 30-60-90 triangle has interior angles equal to 30, 60 and 90 degrees. This is always a right triangle with the 90-degree angle located opposite the longe... Full Answer >Filed Under: -
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## How Do You Use a Formula for Angles in a Triangle?

A: Three laws can be used to find the sides and angles of almost any triangle: the Law of Angles, the Law of Sines, and the Law of Cosines. The Law of Angles ... Full Answer >Filed Under: -
Q:
## Why Do the Angles in a Triangle Add up to 180 Degrees?

A: The three interior angles of a triangle always add up to 180 degrees, which is one of the identifying characteristics of a triangle. Each shape has propert... Full Answer >Filed Under: -
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## Does a Triangle Have Parallel Sides ?

A: A triangle can never have any parallel lines because there must be three angles that add up to 180 degrees, which makes it impossible for the three sides t... Full Answer >Filed Under: