Answer:
131.25
Step-by-step explanation:
There are 3 trapezoids that you need to find its area, all the areas are the same.
Area of trapezoid:
A=(a+b)/2*h
a = 20
b = 15
h = (20-15)/2 = 5/2
A = (20+15)/2*5/2
A = 43.75
3A (3 gardens) = 131.25
Answer: 
Step-by-step explanation:
Given
The length of the wire is 
The Wire makes an angle of
with horizontal
Suppose the height of the tree is h
From the figure, we can write

Thus, the height of the tree is
Answer:
you divide by -4 every time