answer: 20m, 6m, 9m
explanation:
the two shortest sides of the triangle need to add up to equal more than the longest side. to find this we can test all the answers:
13, 13, 12: 13+12 = 25 25 > 13 (works)
5, 10, 6: 5+6 = 11 11 > 10 (works)
24, 16, 11: 16+11 = 27 27 > 24 (works)
20, 6, 9: 6+9 = 15 20 > 15 (doesn’t work)
so the answer is the last one.
hope this helped! :)
