# What is a quadrilateral triangle called?

## What is a quadrilateral triangle called?

A triangle is a simple closed curve or polygon which is created by three line-segments. On the other hand, in terms of Euclidean plane geometry, a polygon having four edges (or sides) together with four vertices is called a quadrilateral.

What are the types of quadrilateral triangle?

• Trapezium.
• Parallelogram.
• Rectangle.
• Rhombus.
• Square.
• Kite.

### What are the 7 names of Quadrilaterals?

Quadrilaterals – Square, Rectangle, Rhombus, Trapezoid, Parallelogram.

What are the 4 triangle names?

The triangle types include right-angled triangles, scalene triangles, isosceles triangles and equilateral triangles.

#### Which is the best name for the quadrilateral?

Other names for quadrilateral include quadrangle and tetragon. A quadrangle is a two-dimensional shape with four angles.

What do we call a 4 sided shape?

Meaning. A quadrilateral is a polygon that has exactly four sides. (This also means that a quadrilateral has exactly four vertices, and exactly four angles.)

## What is the difference between a triangle and a quadrilateral?

A triangle is a closed figure with three straight sides and three angles. A quadrilateral has four straight sides and four angles. A circle is round and the edge is always at the same distance from the centre.

What kind of triangle has three equal sides?

A triangle with three equal sides is called an equilateral triangle. A triangle with a right angle is called a right-angled triangle. A triangle with three sides with different lengths and no right angle is called a scalene triangle. Measure every angle in each of the isosceles triangles given above.

### When do you call a triangle an equilateral?

Triangles are called equilateral if all of the sides have the same length. Triangles are called isosceles if two sides are the same length. Sometimes in math class we say that triangles are isosceles if they have two and only two sides the same length, and sometimes we say that they are isosceles if they have at least two triangles the same length.

What do you call a quadrilateral with no parallel sides?

A trapezoid (called a trapezium in the UK) has a pair of opposite sides parallel. And a trapezium (called a trapezoid in the UK) is a quadrilateral with NO parallel sides: (the US and UK definitions are swapped over!)