Answer:
Option A. 
Step-by-step explanation:
we know that
To find the diagonal of the rectangle apply the Pythagoras Theorem
Let
D-----> the diagonal of rectangle
L----> the length of rectangle
W---> the width of rectangle
so

substitute the values



Answer:
3 cars
Step-by-step explanation:
4 times 3 is 12
Use the distance formula:
Answer:
-1
Step-by-step explanation:
Answer:
The surface area of the sphere is = 
Step-by-step explanation:
The area of a sphere can be calculated using this formula:

However, we have a little problem: we do not have our radius yet to utilize in the formula above.
We can get our radius from the circumference of the circle which has been given to us.
circumference = 

We now have our radius. we can input it into equation 1 above
The Surface area of sphere = 