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?

Result

n =  36

Solution:

n=38+34=36n = 3\cdot 8+3\cdot 4 = 36



Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





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

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. Theorem prove
    thales_1 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?
  2. Tetrahedron
    tetrahedron (1) Calculate height and volume of a regular tetrahedron whose edge has a length 18 cm.
  3. Line
    skew_lines It is true that the lines that do not intersect are parallel?
  4. Today in school
    skola There are 9 girls and 11 boys in the class today. What is the probability that Suzan will go to the board today?
  5. Reference angle
    anglemeter Find the reference angle of each angle:
  6. Three workshops
    workers_24 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?
  7. Guppies for sale
    guppies Paul had a bowl of guppies for sale. Four customers were milling around the store. 1. Rod told paul - I'll take half the guppies in the bowl, plus had a guppy. 2. Heather said - I'll take half of what you have, plus half a guppy. The third customer, Na
  8. Sequence 2
    seq2 Write the first 5 members of an arithmetic sequence a11=-14, d=-1
  9. AP - simple
    sigma_1 Determine the first nine elements of sequence if a10 = -1 and d = 4
  10. Average
    chart If the average(arithmetic mean) of three numbers x,y,z is 50. What is the average of there numbers (3x +10), (3y +10), (3z+10) ?
  11. Examination
    examination The class is 21 students. How many ways can choose two to examination?
  12. Sequence
    seq_1 Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
  13. Chords
    chords How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones?
  14. Teams
    football_team How many ways can divide 16 players into two teams of 8 member?
  15. Blocks
    cubes3_1 There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there?
  16. Trigonometry
    sinus Is true equality? ?
  17. PIN - codes
    pin How many five-digit PIN - code can we create using the even numbers?