# 2D Shapes Vocabulary in English

## Let's see how many words we use to describe 2D shapes ...

Learn 2D shapes vocabulary in English. Let’s see how many words we use to describe 2D shapes …

Table of Contents

## 2D Shapes Vocabulary in English

Shapes vocabulary | Video

1. square – 4 sides of equal length, 4 right angle corners

2. circle – 1 curved side, same distance across at any side (diameter)

3. equilateral triangle – 3 sides, 3 equal angles, 3 sides of equal length

4. right-angled triangle – 3 sides, 2 sides of equal length, 1 right angle

5. scalene triangle – 3 sides of different length, 3 different angles

6. oval – 1 curved side, different distance across at any side (diameter)

7. pentagon – 5 sides, the sum of the internal angles is 540o

8. isosceles triangle – 3 sides, 2 sides of equal length, 2 equal angles

9. hexagon – 6 sides, the sum of the internal angles is 720o

10. rectangle – opposite sides are equal length, 4 right angle corners

11. kite – no parallel sides, 2 pairs of adjacent equal length sides, 2 equal angles

12. rhombus – 2 pairs of parallel sides, 4 sides of equal length, also called a diamond

13. octagon – 8 sides, the sum of the internal angles is 1080o

14. quadrilateral – 4 sides, the sum of the internal angles is 360o

15. parallelogram – 2 pairs of parallel sides, opposite sides are equal length

16. trapezium – 4 sides, 2 parallel sides, the sum of the internal angles is 360o

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