Question

Identify the given open curve.

A. 1, 2
B. 2, 3
C. 1, 3
D. 2, 4

Answer 1

Hint: Curved shapes which are not closed are called open curves. It’s not completely closed. There are many types of curved shapes.

Complete step-by-step answer:
In first shape there is a triangle, which has 3 line segments and it is completely closed from all sides. So it is not an open curve.
In the second shape it is a square shape with four line segments. But it’s one line segment is not complete. It is open from one side, that is why it is an open curve.
In the third shape it is again a triangle with a median. Medians bisect a triangle into two equal parts. But this shape is fully closed, so it is a closed curve.
In fourth shape it is a spiral and the spiral has an open end. So it is also an open curve.

Note: There are many types of curved shapes some are simple curves and some are complex. But one thing is important for this question that the curve should have an open end. These curves are also known as polygons. Triangles, quadrilaterals, etc. are examples of shapes. But all are closed. Some curve shapes are made from curves and lines also.