ana176
ana176
24-03-2017
Mathematics
contestada
Help me with number question 7
Respuesta :
wolf1728
wolf1728
24-03-2017
Just use the Pythagorean Theorem
(9 +x)^2 = 15^2 + x^2
x^2 + 18x + 81 = 225 + x^2
18x = 144
x = 8
So the three sides of the triangle are
15, 8 and 17
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