Question

What does cd mean in math

Answer 1

Figure 1 Line segment. It is written CD (Technically, CD refers to the points C and D and all the points between them, and CD without the refers to the distance from C to D.)

Answer 2

Hey there!

It’s basically the points that are lie along C & D with it not necessarily being the distance points of C & D.

Example: EF are perpendicular to CD or AB are perpendicular to CD. (Either of these should work because perpendicular simply is the line that most likely intersects at a 90° angle

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)