# Tetrahedron

Calculate height and volume of a regular tetrahedron whose edge has a length 18 cm.

**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this verbal math problem are needed these knowledge from mathematics:

## Next similar math problems:

- Cube corners

From cube of edge 14 cm cut off all vertices so that each cutting plane intersects the edges 1 cm from the nearest vertice. How many edges will have this body? - Theorem prove

We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - Sequence

Write the first 7 members of an arithmetic sequence: a_{1}=-3, d=6. - Three unknowns

Solve the system of linear equations with three unknowns: A + B + C = 14 B - A - C = 4 2A - B + C = 0 - Sequence

Write the first 6 members of these sequence: a_{1}= 5 a_{2}= 7 a_{n+2}= a_{n+1}+2 a_{n} - Confectionery

The village markets have 5 kinds of sweets, one weighs 31 grams. How many different ways a customer can buy 1.519 kg sweets. - Add vector

Given that P = (5, 8) and Q = (6, 9), find the component form and magnitude of vector PQ. - Trigonometry

Is true equality? ? - Chords

How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones? - PIN - codes

How many five-digit PIN - code can we create using the even numbers? - Teams

How many ways can divide 16 players into two teams of 8 member? - AP - simple

Determine the first nine elements of sequence if a10 = -1 and d = 4 - Three workshops

There are 2743 people working in three workshops. In the second workshop works 140 people more than in the first and in third works 4.2 times more than the second one. How many people work in each workshop? - Examination

The class is 21 students. How many ways can choose two to examination? - Blocks

There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there? - Line

It is true that the lines that do not intersect are parallel? - Sequence 2

Write the first 5 members of an arithmetic sequence a_{11}=-14, d=-1