Question
Is it possible to construct a triangle with lengths of its sides as given below? Give reason for your answer.
$8\ cm, 7\ cm, 4\ cm$
$8\ cm, 7\ cm, 4\ cm$
✓
Answer
Yes, because the sum of two sides of a triangle is greater than the third side.
$7 + 4 > 8; 8 + 7 > 4; 8 + 4 > 7$
$7 + 4 > 8; 8 + 7 > 4; 8 + 4 > 7$
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