<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:
443.705
Step-by-step explanation:
I don’t know the answer I’m sorry
Answer:
Hope it helps U can still ask me if u have confusions
Answer:
Step-by-step explanation:
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diagonal=14.1421356