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IgorLugansk [536]
1 year ago
14

On a farm, there is a grain silo.The silo is cylindrical with a tile roof. The silo has a diameter of 8 metres and is 6 metres t

all. The farmer wants to paint the curved surface of the silo.Each can of paint will cover 20m². The paint costs $11.75 per can. How much will it cost the farmer to paint the silo?​
Mathematics
1 answer:
Reptile [31]1 year ago
5 0

The paint that the farmer needs to paint his Silo will cost $152.75.

<h3>How to calculate the price of the paint that the farmer will require?</h3>

To calculate the value of the total paint that the farmer will require, we must carry out the following procedure:

1. Identify the area you need to paint

  • 2πrh + 2πr²
  • 2 * 3.14 * 4m * 6m + 2 * 3.14 *4m² = 251.32m²

2. Find how many cans of paint he needs.

  • 251.32m² ÷ 20m² = 12.56

That is, he will need 13 cans of paint.

3. Find the price of 13 cans of paint.

  • $11.75 × 13 = $152.75

Learn more about area in: brainly.com/question/27683633

#SPJ1

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Answer:

180 cm²

Step-by-step explanation:

From inspection of the diagram, the surface area is made up of the area of 4 congruent triangles and the area of one square.

Area of a square = x² (where x is the length of one side)

⇒ area of the square = 6² = 36 cm²

Area of a triangle = 1/2 x base x height

⇒ area of one triangle = 1/2 x 6 x 12 = 36 cm²

Total surface area = 4 x area of one triangle + area of the square

                               = 4 x 36 + 36

                               = 144 + 36

                               = 180 cm²

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2 years ago
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an internet passcode consists of a digit followed by a letter, followed by another digit. Assuming the digits are 0-9, how many
anyanavicka [17]
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