<span>2(30)+2x=860
This is because the 4 sides of the rectangle add up to the perimeter.
The unknown side is x, and there are two of those, and there are also two sides of 30.
They all add up to the perimeter.
So:
2(30) + 2x = 860</span>
Answer:
can't
Step-by-step explanation:
we need to have the height
Answer:
Its D on e2020
Step-by-step explanation:
trust me
The answer is 7, hope it’s right