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## Class 6 math (India)

### Unit 4: Lesson 2

Curves and polygons

# Intro to curves

In daily language, we all use the word curve to mean "not straight" but does the word curve have the same meaning in math? Can a straight line be a curve? Also, what makes a curve a 'simple curve'? Created by Aanand Srinivas.

## Want to join the conversation?

• wow.i never knew THIS existed!
• oh and the question, the spiral is a simple ,and is not crossed.
(1 vote)
• Definition of curve is "A curve is a shape or a line which is smoothly and continuously drawn in a plane having a bent or turns in it". So according to the definition of curve, can we say that any 2D shapes or plane figures are also a curve in geometry?
(1 vote)
• Can we say that any 2D shapes or plane figures are also a curve?
(1 vote)
• If I am right Curve is a line with start and end with no gaps .
Is straight line is curve ? or we are talking about line segment
cause straight line has no start and end but line segment have .
(1 vote)
• how to find that it is a open curve or closed cure
(1 vote)
• soooo.... the straight line is curve or not, this has confused me...