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22-05-2018
Mathematics

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22-05-2018

1. As M is the midsegment JM / JK = 1/2

By similar triangles JM/JK = 1/2 = x / 12

2x = 12 so x = 6 answer

2. By the same reasoning as above

x / (x + 9 ) = 8.5 / 17 = 1/2
2x = x + 9
x = 9

Answer x = 9

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