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I have solved a), please help!

I have solved a), please help!-example-1

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Answer:

Explanation:

GHLM is a rectangle

MG = LH

MG = 14

ΔMXG ~ ΔKXL

In similar triangles, corresponding side are in same ratio.


(MG)/(MX)=(XL)/(XK)\\\\(14)/(7)=(x)/(8)\\\\(14)/(7)*8=x\\\\x = 8*2\\\\x= 16