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Question

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Parallelogram ABCD ahs side lengths 9cm and 13cm. Find the shortest integral length of AC.

mathtoo Dec 23, 2018

+4625

+2

Best Answer

The shortest length should be greater than their difference. Thus, the answer is $13-9+1=4+1=\boxed{5}$ cm.

tertre Dec 23, 2018

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Excellent, tertre......!!!!

CPhill Dec 23, 2018

+4625

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Thank you, CPhill! This is quick neat trick.

tertre Dec 23, 2018

tertre · Answer 1 · 2018-12-23T05:07:06

The shortest length should be greater than their difference. Thus, the answer is $13-9+1=4+1=\boxed{5}$ cm.

mathtoo · Answer 2 · 2018-12-24T11:41:55

Thank you so much!