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Contact [7]
3 years ago
15

A landscaper needs to estimate the amount of material required for a project building a circular brick patio for a client. The d

iameter of the patio is 13m and one bundle of brick will cover 116ft^2. How many bundles does he need?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

13 bricks

Step-by-step explanation:

Given parameter:

Diameter of the patio = 13m

Area of one bundle of brick  = 116ft²

Unknown:

The number of bricks that will cover the patio = ?

Solution:

To solve this problem, we must find the area of the patio first.

     Area of the patio = π r²

r is the radius of the patio;

   Radius  = \frac{13}{2}

 So area = π  x ( \frac{13}{2}) ² = 132.75m²

Now, let us convert the Area of the brick from ft² to m²;

     1ft²  = 0.093m²

   116ft² = 0.093 x 116  = 10.79m²;

The number of bricks required to cover the patio = \frac{132.75}{10.79}   = 12.3 bricks,

Realistically, about 13 bricks would be needed.

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