SOLUTION: Two sides of a triangle are 12 and 15 cm long. Which measurement can be the length of the third side?
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Question 88043: Two sides of a triangle are 12 and 15 cm long. Which measurement can be the length of the third side?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since we have a triangle with legs of 12 , 15 and a hypotenuse of x(our unknown side), we can use Pythagoreans theorem to find the unknown side.
Pythagoreans theorem
Plug in a=12 and b=15 and lets solve for c
Square each individual term
Combine like terms
Take the square root of both sides
Simplify the square root
Which approximates to...
So our answer is
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