Answer:
25 units
Step-by-step explanation:
The longest side is 12.
The two other sides of the triangle = (3 sqaured + 6 squared) (9+36) the square root of 45 is about 6.7.
6.7 x 2 = 13.4
13.4 + 12 = 25.4
25.4 rounded to the nearest unit is 25
25
Used an online triangle calculator<3 lol
