9514 1404 393
Answer:
5/3 meters
Step-by-step explanation:
The area is the square of the side length, so the side length is the square root of the area.
s = √(225/81) = 15/9 = 5/3 . . . meters
The length of a side of the table is 5/3 meters.
Answer:
D
Step-by-step explanation:
Pretty sure it's correct
Answer:
222.7 cm³ of paper to wrap this.
Step-by-step explanation:
The rectangular prism is SA=2(wl+hl+hw)
Where:
w=5 l=5 h=4
SA= 2((5*5)+(4*5)+(4*5))
SA=2(25+20+20)
SA=2(65)=130cm³
The square base pyramid is 

≈92.69578 cm³
Add the two together 130+92.70 =222.7 cm³