I don't know what you have to do but I'm trying to do my first answer srry
Answer:
The rectangular 5 x 10 table.
Step-by-step explanation:
To find which table the office manager needs to get so he can sit more people at it is decided by one factor, the perimeter. The rectangular one, which is 5 x 10 the perimeter is (5 x 2) + (10 x 2) = 10 + 20 = 30. The circular one can be calculated by the equation
where d = 8. Putting
x 8 in my calculator and it comes out approximately at 25.132, having a less amount of perimeter space to work with, making the rectangular table the way to go.
Answer:
square units
Step-by-step explanation:
The simple formula we need here is:

Where
d is length of diagonal
s is length of side of square
Let's find side length of square from information given:

Now,
we know area of square is 
We know s, and now we find area
Area = 
The first answer choice is right, 1/2x^2 sq. units.
multiply 4times4 equals 8