anonymous
  • anonymous
How would I do this problem? In triangle ABC, angle A is a right angle and the measure of angle B = 45. Find BC.
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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johnweldon1993
  • johnweldon1993
So then you would have a 45-45-90 triangle
johnweldon1993
  • johnweldon1993
This means that the ratio of the sides is 1:1:√2

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johnweldon1993
  • johnweldon1993
this means that the 2 sides that are NOT the hypotenuse are the same....so now you have 2 sides...both of length 11....and you want to solve for the hypotenuse
Jhannybean
  • Jhannybean
A right triangle has a special property, the angles inside are 45-45-90,meaning the the legs of the triangle are the same distance, and the hypotenuse is square root(2) * the leg distance.
anonymous
  • anonymous
so it would be 11 sqrt2?
Jhannybean
  • Jhannybean
good job

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