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I dont know how to do this

I dont know how to do this-example-1
User Acosta
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2 Answers

4 votes

Answer: 28 yards

To find the answer to this question, you need to find the perimeter of the triangle, represented by the equation:

P = a + b + c

Unfortunately, you are missing one side of this triangle. The Pythagorean Theorem will help you find this missing side:

Pythagorean Theorem: a² + b² = c²

  • a= the shortest leg of the triangle [21]
  • b = the longest leg of the triangle [28]
  • c = the hypothenuse (slanted side of a right triangle) [unknown]

Let's plug into the equation and solve:

a² + b² = c²

21² + 28² = c²

441 + 784 = c²

1225 = c²

√1225 = c

35 ft = c

Now that you have the length of your missing side, add them together to get your perimeter:

21 + 28 + 35 = 84 ft

Convert ft to yards and you will come to your final answer of 28 yards

User Paul Speranza
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7.9k points
5 votes
I’ve got a similar problem to that, I also don’t know how to do it lol
User MartinTeeVarga
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7.9k points

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