Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**Learning Math****Member**- Registered: 2013-01-29
- Posts: 2

Hello everyone!:)

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,800

Hi Learning Math;

Welcome to the forum!

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

Offline

**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,524

hi Learning Math

**Welcome to the forum!**

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

**n872yt3r****Member**- Registered: 2013-01-21
- Posts: 392

*Hi Learning Math;*

*Welcome to the forum!!!*

- n872yt3r

Math Is Fun Rocks!

By the power of the exponent, I square and cube you!

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,335

Hi Learning Math,

**Welcome to the forum!**

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**n872yt3r****Member**- Registered: 2013-01-21
- Posts: 392

Why do we keep doing this? Next I expect stefy and Angishom to post here.

- n872yt3r

Math Is Fun Rocks!

By the power of the exponent, I square and cube you!

Offline

**Hotel8561****Member**- Registered: 2013-03-26
- Posts: 2

Struggling with triangular prism vertices and rectangles with autistic Grandson. I have little competence myself

Offline

**Hotel8561****Member**- Registered: 2013-03-26
- Posts: 2

How many vertices in a triangular pyramid and A triangular prism?

Offline

**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,524

Hi Hotel8561

A triangular pyramid has 3 vertices on the base and one more at the top = 4 altogether.

A triangular prism has 3 vertices to make one end, another 3 at the other end so 6 altogether.

Look at:

http://www.mathsisfun.com/geometry/pyramids.html

and

http://www.mathsisfun.com/geometry/prisms.html

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Offline

Pages: **1**