Table of Contents

- 1 What has triangles as many sides as twice?
- 2 In which polygon is the sum of the interior angles equal to twice the sum of the exterior angles?
- 3 Are all 3 sides polygons triangles?
- 4 What is the sum of the interior angle of regular pentagon?
- 5 What is polygon of triangle?
- 6 What kind of Polygon has all three sides having different lengths?
- 7 Which is a triangle with all three sides having the same length?

## What has triangles as many sides as twice?

In geometry, a cupola is a solid formed by joining two polygons, one (the base) with twice as many edges as the other, by an alternating band of isosceles triangles and rectangles.

### In which polygon is the sum of the interior angles equal to twice the sum of the exterior angles?

convex hexagon

In a convex hexagon, prove that sum of all interior angles is equal to twice the sum of its exterior angles formed by producing the sides in the same order.

#### Are all 3 sides polygons triangles?

A three-sided polygon is a triangle. There are several different types of triangle (see diagram), including: Equilateral – all the sides are equal lengths, and all the internal angles are 60°. Isosceles – has two equal sides, with the third one a different length. Two of the internal angles are equal.

**What is a polygon with 2 sides called?**

In geometry, a digon is a polygon with two sides (edges) and two vertices. Its construction is degenerate in a Euclidean plane because either the two sides would coincide or one or both would have to be curved; however, it can be easily visualised in elliptic space.

**What is a parallelogram in geometry?**

A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle. The polygon diagonals of a parallelogram bisect each other (Casey 1888, p.

## What is the sum of the interior angle of regular pentagon?

540°

FAQs on Sum of Angles in a Polygon For example, to find the sum of interior angles of a pentagon, we will substitute the value of ‘n’ in the formula: S=(n-2) × 180°; in this case, n = 5. So, (5-2) × 180° = 3 × 180°= 540°.

### What is polygon of triangle?

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.

#### What kind of Polygon has all three sides having different lengths?

Scalene triangle: A scalene triangle is one in which all three sides have different lengths. Note that every equilateral triangle is automatically also isosceles. After triangles, the type of shape we will encounter the most is the quadrilateral : Quadrilateral : A polygon with four sides.

**What makes a polygon a regular polygon?**

It has sides that are all the same length and angles that are all the same size. A polygon is regular if all sides are the same length and all angles are congruent. A regular polygon has a center point, and the radius, or distance from the center to a vertex, is the same no matter what vertex you go to.

**What do you call a 32 sided polygon?**

In simpler words, a 32-sided polygon. We can normally refer to it as a 32-gon. Looking at the pictures, you may have also noticed that with every added side, the polygon starts to look more and more like a circle.

## Which is a triangle with all three sides having the same length?

Equilateral triangle: An equilateral triangle is one in which all three sides have the same length. Isoceles triangle: An isoceles triangle is one in which two sides have the same length. Scalene triangle: A scalene triangle is one in which all three sides have different lengths.