Answer:
8 arrangement
Step-by-step explanation:
2 white balloons and 3 red balloons for every arrangement
Two correct answers:
9 + x
x + 9
Or you can say
x - -9
or
9 - -x
Hello!
To find the side length of a square with the diagonal you use the equation

a is side length
d is diagonal length
Put in the values you know

Divide

Multiply
a = 22.6
All the sides are 22.6 feet
Add all the sides
22.6 + 22.6 + 22.6 + 22.6 = 90.4
The answer is 90.4
Hope this helps!
I need to know the sides of the trapezoid in order to find the perimeter