Answer:
420 m
Step-by-step explanation:
a square has four sides, and each 105 m long
all the sides of a square are equal
105 +105+105+105= 420m
= 420m
Let the number = x
3/4 of x = 48
3/4x = 48
Divide both sides by 3/4
X = 48/ 3/4
X = 64
The number is 64
