1) Given that this is an equilateral triangle, with each angle = 60º and their congruent sides
2) We can write:
KL ≅ KJ
3x +24 = 10x +3
24-3 = 10x -3x
21 = 7x
x=3
Plugging into the KL's equation:
3(3) +24
9 +24
33
3) So the measure of KL is 33 units (and KJ , JL as well)