Question

9 cm
4 cm
6 cm
12 cm
A =
P=​

Answer 1

Answer:

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Answer 2

Answer:The sum of the lengths of any two sides in a triangle is always greater than the length of the third side in the triangle.

⇒  The differnce of the lengths of any two sides in a triangle is always lesser than the length of the third side in the triangle.

⇒  The difference between 4cm and 7cm is  

3cm and their sum is 11cm.

⇒  To ensure that the above mentioned rule is not violated, the possible length of the third side has got to be greater than 3cm and lesser than 11cm.

⇒  So from the given options 6cm is less than  

11cm and greater than 3cm

∴  The length of the third side of triangle is 6cm

Step-by-step explanation: