The sum of all cube edges is 30cm. Find the surface area of the cube.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 1 comment:
>>> Is the sum of all edges 30 or 80?
typo fixed, thank you!
typo fixed, thank you!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Cube edges
The sum of the lengths of the cube edges is 42 cm. Calculate the surface of the cube.
- Cube 5
The surface of the cube is 15.36 dm2. How will change the surface area of this cube if the length of the edges is reduced by 2 cm?
- Cube 1-2-3
Calculate the volume and surface area of the cube ABCDEFGH if: a) /AB/ = 4 cm b) perimeter of wall ABCD is 22 cm c) the sum of the lengths of all edges of the cube is 30 cm.
- Cube edge
Determine the edges of the cube when the surface is equal to 37.5 cm square.
- Cube walls
Find the volume and the surface area of the cube if the area of one of its walls is 40 cm2.
- Cube wall
Surface of first cube wall his 225 mm2. Second cube area is 60% of the surface of the first cube. Determine the length of the edge of the second cube (x).
- Cube surface area
Wall of cube has content area 99 cm square. What is the surface of the cube?
Garden plastic greenhouse is shaped half cylinder with a diameter of 6 m and base length 20 m. At least how many m2 of plastic is need to its cover?
- Simplify 2
Simplify expression: 5ab-7+3ba-9
- Simple equations
Solve system of equations: 5x+3y=5 5x+7y=25
- Greg and Bill
Greg is 18 years old. He is 6 less than 4 times Bill's age. How old is Bill?
- Unknown number
Identify unknown number which 1/5 is 40 greater than one tenth of that number.
- Down syndrome
Down syndrome is one of the serious diseases caused by a gene mutation. Down syndrome occurs in approximately every 550-born child. Express the incidence of Down's syndrome in newborns at per mille.
Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
What number is 20 % smaller than the number 198?
In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?
- Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?