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otez555 [7]
3 years ago
6

Help me with number question 7

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
5 0
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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