Answer:
1/5
Step-by-step explanation:
What up I’ll try my best to answer
Answer: 60 cm3
Explanation:
By similarity theorem, I will send you a picture when I'm done.
I hope that explains everything for you the value of x is 18 and I worked it out step by step for you so you would understand
If the lenght of a circle circumference is given by:

So the lenght of a semicircle circumference is given by the half of it:

Radius (R) = 12 ft

Answer = 12pi ft of fence.