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

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

Hello everyone!:)

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 102,394

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.**

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,503

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

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**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!

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,152

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.

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**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!

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

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

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

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

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,503

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

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