shanek16
shanek16
12-12-2017
Mathematics
contestada
what is the value of x in the right triangle
Respuesta :
mathstudent55
mathstudent55
12-12-2017
This is a right triangle, so you can use the Pythagorean theorem.
a^2 + b^2 = c^2
x^2 + 3^2 = 9^2
x^2 + 9 = 81
x^2 = 72
x = sqrt(72)
x = 6sqrt(2)
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