# Greenhouse

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?

Result

x =  216.8 m2

#### Solution:

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

Be the first to comment!

## Next similar examples:

1. Pipe
How long is the pipe with an outside diameter of 1.44 m if his coloring consumed 44 kg of color. 1 kg of color coverage is 9 m2.
2. Concrete pipe
How much will cost cover a 6 m long concrete pipe with an outer radius 1.5 m and inner radius 0.8 meters if 1 m2 paint costs 24 €.
3. Kitchen
Kitchen roller has a diameter 70 mm and width of 359 mm. How many square millimeters roll on one turn?
4. Cylinder
The cylinder surface is 859 dm2, its height is equal to the radius of the base. Calculate height of this cylinder.
5. Gloves
I have a box with two hundred pieces of gloves in total, split into ten parcels of twenty pieces, and I sell three parcels. What percent of the total amount I sold?
6. Equation
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
7. Number
What number is 20 % smaller than the number 198?
8. Inequation
Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2
9. TVs
Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
10. Unknown number
Identify unknown number which 1/5 is 40 greater than one tenth of that number.
11. 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.
12. New refrigerator
New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price?
13. Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
14. The percentages in practice
If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 fro
15. Class
In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?
16. Conference
148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent?
17. Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?