VTMO 2026 - Grade 9 - Semifinal - SET 3 - Self-study Question 14

Question 14

A triangle has side lengths x+1, x+2 and x+3. Its perimeter is greater than 21 and no greater than 30. Which statement correctly describes x?

Question illustration

$5\lt x\lt8$
$5\le x\lt8$
$5\lt x\le8$
$7\lt x\le10$
$x=8$