Answer:
The chain is around 11 feet in length.
Step-by-step explanation:
Area of a circle = π × r²
380 ft² = π × r²
121 ft² = r²
11 ft = r
Check the picture below.
d) 9
In a kite, the two shorter sides have to be equal.
Therefore
3x-5 = 22
Add 5 to each side
3x-5+5 = 22+5
3x = 27
Divide each side by 3
3x/3 = 27/3
x =9
