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Alexxx [7]
4 years ago
15

Help me guys I don't understand this!?

Mathematics
1 answer:
Misha Larkins [42]4 years ago
8 0
Let's say that the hypotenuse is length 1.
In a 45 45 90 triangle, the legs are equal to the hypotenuse * (1 / [sq rt (2)])
So if the hypotenuse =1, the legs equal 1 / <span> <span> <span> 1.4142135624  </span> </span> </span> which equals <span> <span> <span> 0.7071067812 </span> </span> </span>
Source:
http://www.1728.org/trig2.htm


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What is the answer to this question​
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4 0
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Suppose you want to draw a rectangle where the width is 7 inches less than the length and the diagonal is 2 inches longer than t
IrinaK [193]
The diagonal of a rectangle is:
 d ^ 2 = w ^ 2 + l ^ 2
 Where,
 w: width
 l: long
 Substituting values we have:
 (l + 2) ^ 2 = (l-7) ^ 2 + l ^ 2
 Rewriting we have:
 l ^ 2 + 4l + 4 = l ^ 2 -14l + 49 + l ^ 2
 l ^ 2 -14l + 49 - 4l - 4 = 0
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 The solutions are:
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 The viable solution is:
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 Thus, the width is:
 w = l-7
 w = 15-7
 w = 8
 Answer:
 
the dimensions of the rectangle are:
 
l = 15
 w = 8
8 0
3 years ago
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