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Chapter 6 Class 7 Triangle and its Properties
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Example 3 - Is there a triangle whose sides have lengths 10.2 cm, 5.8

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Example 3 - Chapter 6 Class 7 Triangle and its Properties - Teachoo Is there a triangle whose sides have lengths 10.2 cm, 5.8 cm & 4.5 cm? If these sides form a triangle, then Sum of two sides > Third side If two sides are 10.2, 5.8 , Sum = 16 cm, which is greater than third side 4.5 cm 5.8, 4.5 , Sum = 10.3 cm, which is greater than third side 10.2 cm 4.5, 10.2 , Sum = 14.7 cm, which is greater than third side 5.8 cm Here, Sum of two sides is greater than third side in all three cases So, possible.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.