The library in Ben's town is 3 blocks east and 7 blocks north of his house. He finds a short cut by walking diagonally from his house to the library. How much shorter is the shortcut than walking the blocks?

Respuesta :

Answer:

The answer to your question is 2.4 units shorter.

Step-by-step explanation:

Data

3 blocks east and 7 blocks north.

Process

1.- Calculate the distance walking the blocks

     distance = 3 + 7

     distance = 10

2.- Calculate when walking diagonally using the pythagorean theorem

     distance² =  3² + 7²

     distance² = 9 + 49

     distance² = 58

     distance = 7.62

3.- Calculate the difference of distances

     Δd = 10 - 7.62

     Δd = 2.38 units

There is 2.38 shorter is the shortcut than walking the blocks.

  • The calculation is as follows:

The distance walking the blocks

Distance = 3 + 7

= 10

Now

The distance via  pythagorean theorem

[tex]= \sqrt{3^2 + 7^2}\\\\ = \sqrt{9 + 49}\\\\= \sqrt{58}[/tex]

 = 7.62

Now the difference of distances

 = 10 - 7.62

 = 2.38 units

Therefore we can conclude that There is 2.38 shorter is the shortcut than walking the blocks.

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