ana176 ana176
  • 24-03-2017
  • Mathematics
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Help me with number question 7

Help me with number question 7 class=

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wolf1728
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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