Respuesta :
Hopefully this helps. I thought it would be better to just write it out rather than try to explain with words. If you don't understand something in the photo above I'm happy to explain
Answer:
the minimum height of the trapezoid must be 14 feet
Step-by-step explanation:
Hello
The area of a trapezoid is calculated from its height and the two parallel sides (a and b) or bases of the trapezoid. It is the result of multiplying its height (h) and the median of the trapezoid, which is obtained as the average of the two bases a and b: M = (a + b) / 2
[tex]A=\frac{a+b}{2}*h[/tex]
where A is the area, "a" is a base, "b" is the other base and "h" is the heigth
Step 1
we need to find the length, hence, le's isolate "h"
[tex]A=\frac{a+b}{2}*h\\2A={(a+b)*h}\\ h=\frac{2A}{(a+b)}[/tex]
Step 2
put the values into the equation
Let
A=259 square feet
a=14.5 ft
b=22.5 ft
[tex]h=\frac{2A}{(a+b)} \\h=\frac{2*259}{(14.5+22.5)} \\h=\frac{518}{37} \\h=14\ feet[/tex]
hence, the minimum height of the trapezoid must be 14 feet.
Have a great day