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Allushta [10]
3 years ago
12

I need help with this question

Mathematics
2 answers:
zzz [600]3 years ago
6 0

Answer:

the missing side of the triangle is of length 15

Step-by-step explanation:

This problem is asking to find the hypotenuse (longest side) of a right angle triangle, so we can use the Pythagorean theorem, which tells us that the square of the hypotenuse in a right angle triangle equals the addition of the squares of the legs of the triangle (in our case 9 and 12).

We can then find the length of the hypotenuse applying the square root on both sides:

hyp^2=leg_1^2+leg_2^2\\hyp^2=9^2+12^2\\hyp^2=81+144\\hyp^2=225\\hyp=\sqrt{225} \\hyp=15

Maslowich3 years ago
4 0

Answer:

15

\\

Step-by-step explanation:

=  \sqrt{ {12}^{2} +  {9}^{2}  }  \\  =  \sqrt{144 + 81}  \\  =  \sqrt{225}  \\  = 15

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