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MrRissso [65]
2 years ago
7

what is the missing side in a right triangle if one leg measures 5 cm and the longest side measures 13 cm

Mathematics
1 answer:
Alika [10]2 years ago
3 0

Answer:

<u>The missing side is 12 cm length</u>

Step-by-step explanation:

1. Let's review the information given to us to solve the case correctly:

Length of the longest side= 13 cm

Length of one leg = 5 cm

2. Using the Pythagorean theorem for finding the length of the second leg, because this is a right triangle:

2nd leg² = Length of the longest side ² - Length of one leg²

2nd leg² = 13 ²  - 5 ²

2nd leg² = 169  -25

2nd leg² = 144

2nd leg = √144

2nd leg = 12 cm

<u>The missing side is 12 cm length</u>

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Let's start by assuming Armando's house is between Joey's and the park. 

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That's probably the answer they're looking for.  But what if the park is between Joey and Armando's houses or Joey is between the park and Armando?  (The latter isn't really possible with the given distances.)

Let a, b, c be the distances between three collinear points like we have here.  Our equation is really a few equations in one, something like

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Let's get rid of the plus/minuses. Squaring,

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I'll skip right to the solutions,

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c=\dfrac{3}{10} \textrm{ or } c=\dfrac{3}{2}

We could have gotten the 3/2 just by adding 9/10+3/5 but this was more fun.

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