thanhtien1123 thanhtien1123

15-06-2014
Mathematics

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find x and IJ is HK is an altitude of triangle HIJ

find x and IJ is HK is an altitude of triangle HIJ class=

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guitargirly13 guitargirly13

15-06-2014

3x+3=90
subtract 3 from both sides
3x=87
divide both sides by 3
x=29

To find IJ, plug in the x value
x+8+x-9
29+8+29-9
57=IJ

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