Question

Directions: Read each question carefully choose the letter of the correct answer and write it on the space provided before each item.
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Answer 1

Given : two sides of a triangle 15 and 9 cm  

To Find : possible length of third side of triangle

Solution:

A side of a triangle must be shorter than sum of other two sides

 two sides of a triangle 15 and 9 cm  

Let say third side = x cm

9 + x  > 15   => x  > 6

9 + 15  > x    =>   x  < 24

15 + x > 9  always true as 15 > 9

6 < x  < 24

in the given options  9 and 16  satisfies this

Triangle with length 6 , 9 and 11

6 + 9 > 11

9 + 11 > 6

6 + 11 > 9

Triangle can be constructed as sum of any two sides is greater than the remaining side

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