Respuesta :
Answer:
18
Step-by-step explanation:
The two smaller sides are 15 and the larger one is 18
Answer:
- 18
Step-by-step explanation:
Let the length of equal sides be x, then the perimeter is:
- 2x + (x + 3) = 48
- 3x + 3 = 48
- 3x = 45
- x = 15
The longest side is:
- 15 + 3 = 18