Answer:
4x cm.
Step-by-step explanation:
Suares have to have all 4 sides equal. The area of the rectangle (2x8) is 16.
16/4 = 4, so the square has sides of 4cm each to equal an are of 16. (4x4=16)
Answer:
29
Step-by-step explanation:
23
Answer:
I did it is in my profile
Step-by-step explanation:
The answer should be 1546.3 after its worked out.

Get x to one side
So minus 90 from each side

-90÷-3=30
Answer: x=30