Sum of the edges

The sum of the lengths of all edges of the cube is 72 cm. How many cm2 of colored paper are we going to use for sticking?

Correct result:

S =  216 cm2

Solution:

o=72 cm o=12 a a=o/12=72/12=6 cm  S=6 a2=6 62=216 cm2



We would be very happy if you find an error in the example, spelling mistakes, or inaccuracies, and please send it to us. We thank you!






Showing 0 comments:
avatar





 
We encourage you to watch this tutorial video on this math problem: video1

Next similar math problems:

  • Cube 2
    krychle_1 How many times will increase if the surface area of the cube if we triple length of its edge?
  • Cube edge
    cubes_9 Determine the edges of the cube when the surface is equal to 37.5 cm square.
  • Surface area of a cube
    cube_shield What is the surface area of a cube that has an edge of 3.5?
  • Cube edges
    cube_shield_3 The sum of the lengths of the cube edges is 42 cm. Calculate the surface of the cube.
  • Ribbon on the cube
    gift A cubical gift box is tied with a piece of ribbon. If the total length of the free ends and the bow is 18 inches, what is the length of the ribbon used? (Each side of the cube is 6 inches).
  • Net of a cube
    cube_shield This net can be folded to form a cube with a side length of 20 units. What is the surface area of the cube in square units?
  • Cube
    cube_diagonals_3 The sum of all cube edges is 30cm. Find the surface area of the cube.
  • Cube surface area
    cube_5 Wall of cube has content area 99 cm square. What is the surface of the cube?
  • The cube - simple
    kvader_1 Calculate the surface of the cube measuring 15 centimeters.
  • Two machines
    machine_2 Performances of two machines are in a ratio of 7:12. A machine with less power produced 406 pieces of products per shift. a) How many pieces produced per shift second machine? b) How many pieces produced two machines together for five shifts?
  • Sides of triangle
    rr_triangle2 Triangle circumference with two identical sides is 117cm. The third side measures 44cm. How many cms do you measure one of the same sides?
  • Round table
    obrus A tablecloth should be sewn on a round table with a diameter of 78 cm, which should extend around the table by 10 cm. How many cms of ribbons need to be bought for edging?
  • Simplify
    numbers3_1 Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]
  • Hotel
    hotel The hotel has a p floors each floor has i rooms from which the third are single and the others are double. Represents the number of beds in hotel.
  • Expression
    expr_2 Solve for a specified variable: P=a+4b+3c, for a
  • Circle - simple
    kruh The circumference of a circle is 198 mm. How long in mm is its diameter?
  • Parallelogram
    rovnobeznik.JPG Calculate the missing side of a parallelogram, if you know the perimeter o and one side: a) o = 7.2 cm; b = 1.8 cm b) o = 5.4 cm; a = 1.9 cm