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Question
Fill in the blank to make the following statement true.
The sum of any two sides of a triangle is .... than the third side.
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Solution
The sum of any two sides of a triangle is greater than the third side.
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In ∆ABD and ∆ACD,
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and ∠ADB = ∠ADC
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[Hint: Recall how ∠B = ∠C is proved when AB = AC].
