Question 123109
If given GJKM is a rhombus, OJ is perpendicular to GM, <font color = "red">MH is congruent to JO</font> then conclude that <font color = "blue">MH is congruent to JO</font>.
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You've made a mistake in copying because the words I have made red above, which is what is given, are exactly the same as the words I made blue, which is what you are to conclude or prove.  You have to conclude or prove something different from what you are given.  Otherwise you'd just say "given" and it would be finished.
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Please correct it and repost.
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Edwin