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d1i1m1o1n [39]
3 years ago
13

The area of the terrace is 18m i need 75kg of sand for every 1m of terrace the sand cost 2 pounds for 25kg bag how much sand do

i need
Mathematics
1 answer:
IgorLugansk [536]3 years ago
7 0

Answer:

  1350 kg

Step-by-step explanation:

<u>Given</u>

  • area = 18 m²
  • 75 kg/m² sand is required

<u>Find</u>

  • amount of sand required

<u>Solution</u>

  amount of sand required = (area) × (sand required per unit area)

  = (18 m²) × (75 kg/m²)

  = 1350 kg

You need 1350 kg of sand.

_____

The question could ask for the number of bags, or for the total cost. It does not ask those things.

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Length of the side = 9 cm

Diagonal = 9\sqrt{2} cm

Solution:

Area of the square = 81 square centimeters

In square all sides are equal.

Area of the square = side × side

Side × side = 81

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Length of the side = 9 cm

To find the length of the diagonal:

In square all the angles are right angle.

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Using Pythagoras theorem,

<em>In right triangle, square of the hypotenuse is equal to the sum of the square of the other two sides.</em>

Here, diagonal is the hypotenuse.

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