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?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
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.
- 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 €.
Kitchen roller has a diameter 70 mm and width of 359 mm. How many square millimeters roll on one turn?
The cylinder surface is 859 dm2, its height is equal to the radius of the base. Calculate height of this cylinder.
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?
Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2
What number is 20 % smaller than the number 198?
- Percents - easy
How many percent is 432 out of 434?
- Simplify 2
Simplify expression: 5ab-7+3ba-9
Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
- Base, percents, value
Base is 344084 which is 100 %. How many percent is 384177?
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- MO 2016 Numerical axis
Cat's school use a special numerical axis. The distance between the numbers 1 and 2 is 1 cm, the distance between the numbers 2 and 3 is 3 cm, between the numbers 3 and 4 is 5 cm and so on, the distance between the next pair of natural numbers is always in
148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent?
- Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
- Sales off
Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?
- 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