Question

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Answer 1

you mi8 have done part 1 ... remember that the sum of two side of a triangle is always greater than the third side.. i.e if u choose sides like 4 and 5 the the third side cannot be greater than (4+5=)9 and the side cannot be smaller than the difference of the two sides (5-4=)1.. i hope u have understood.. if u need more clarity u can reply...

Answer 2

Part 1: I drew a triangle with sides 8 cm, 3 cm, 7cm.
Part 2: The third side cannot be more than the sum of the two other sides.
Part 3: i) 8 + 3 > 7 ii) 3 + 7 > 8 iii) 8 + 7 > 3