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12 votes
12 votes
Can a triangle have sides with the given lengths?
9 cm, 4 cm, 11 cm

User BoilingLime
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1 Answer

14 votes
14 votes
No. The 9cm and 4cm sides together make 13cm, so they would fold flatly against the 13cm side, forming a line segment with no area, no interior, and no angles.
User Jflournoy
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2.4k points