Answer:
7.5mi
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
84.85cm
Step-by-step explanation:
Let the sides of the square be x
The perimeter of the square = 4x
Get x using the pythagoras theorem
x^2 + x^2 = 30^2
2x^2 = 900
x^2 = 450
x = 21.21cm
Perimeter of the plate = 4(21.21)
Perimeter of the plate = 84.85cm
Answer:
Step-by-step explanation:
6y+9=18
6y=2
y=1/3