Answer:
Formula to find height when given diameter and slanted height

First find the radius
24÷2=12
Next square the radius
12²=144
Next square the slanted height
20²=400
Now find the square root of both

=16ft
Hey there!!
The formula for the area of a square - s²
where s = side
s² = 345
s = √345
s = 18.57 ft
Fence shall be three sides
So 18.57 × 3
The required answer = 55.71 ft
Hope my answer helps!
Answer:
7 and -7
Step-by-step explanation:
All of them have the same answer of -8 except the last one.