What are a dozen facts and features about a cone shape?

Answer 1

1 It's a 3 dimensional hollow or solid shape

2 Its name comes from the Greek word konos

3 It has a pointed apex and a circular edged base

4 Its perpendicular height is from its base centre to its apex

5 Its slant length is from its apex to the edge of its base

6 It has a base radius

7 Its volume is 1/3*pi*radius squared*height

8 Its entire surface is (pi*radius squared)+(pi*radius*slant length)

9 It can have an ellipse sliced through it

10 It can have a parabola sliced through it

11 It has infinite lines of symmetry

12 It has a multitude of parallel lines and concentric circles

13 It can be congruent or similar to other cones

14 Its claim to fame is that the fruit of a conifer tree has its name

15 It's in the same shape as an ice cream cornet

16 It has loud speakers shaped like it

17 It can spiral on its axis like a spinning top

18 Its shapes can control the movement of traffic on roads

19 Its best friend is the isosceles triangle because they lookalike

20 It's the favourite headgear of witches, wizards and dunces