# Do triangles have 4 sides? ### Do triangles have 4 sides?

The triangle has three (3) sides. The triangle is a polygon that contains three sides and three inner angles and three vertices. Additional Information: ... A triangle is a primitive form of geometry (polygon) that can only have three sides in its simplest form.

### Do all triangles have 3 angles?

All triangles have three sides and three angles, but they come in many different shapes and sizes. Within the group of all triangles, the characteristics of a triangle's sides and angles are used to classify it even further.

### How many sides are there in a triangle?

3 Triangle/Number of edges

### Does a triangle have 3 sides?

Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle, with the side opposite the right angle being termed the hypotenuse and the other two sides being known as the legs. All triangles are convex and bicentric.

### How many angles does a triangle have?

three angles The sum of the three angles of any triangle is equal to 180 degrees.

### Do all triangles have 3 equal sides and 3 angles?

A triangle with all sides equal is called an equilateral triangle, and a triangle with no sides equal is called a scalene triangle. An equilateral triangle is therefore a special case of an isosceles triangle having not just two, but all three sides and angles equal. ... The triangles are therefore perspective triangles.

### What are the 3 sides of 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. We use special words to describe the sides of right triangles.

### What is a three sided triangle called?

equilateral triangle In geometry, an equilateral triangle is a triangle in which all three sides have the same length. In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°.

### How many angles does a right triangle have?

one angle A right triangle has one angle of 90. Thus, the sum of the other two angles will be 90. Thus, the first angle is and the second angle is .

### What is the formula for a right angle triangle?

• A right triangle is a special case of a triangle where 1 angle is equal to 90 degrees. In the case of a right triangle a 2 + b 2 = c 2. This formula is known as the Pythagorean Theorem.

### Can a triangle have 3 right angle?

• a triangle never has 3 right angle 3 Right total comes 270 triangle only carries 180 degree through out the world. It can't, however there is such thing as a right triangle, which only has one right angle.

### How do you determine the angle of a right triangle?

• Finding Angles in a Right Triangle Remember that every right triangle has one angle equal to 90 degrees. By definition, a right triangle will always have one angle that’s 90 degrees, even if it’s not labeled as such. Measure the length of 2 of the triangle’s sides.

### What is the sum of the interior angles of a right triangle?

• A right angle, formed by two intersecting perpendicular lines, measures 90 degrees. Right triangles contain one 90 degree angle. Because each triangle’s interior angles sum to 180 degrees, a right triangle can only contain one right angle.