Answer:
28
Step-by-step explanation:
Arranged it in order and got 28 :)
18 is the GCF for 18 and 54
(a) In right triangle ABC,
Perimeter of Balcony = 12 + 5 + 20.41 = 37.41 m
(b) Area of balcony
hihihihihihihihihih hehe