The last statement is NOT true.
1/2 divided by 4 is 0.125 and 1/2 times 4/1 is 2
Hope I helped!
The Answer is A. Hope I helped!
It is true that a parallelogram has symmetry with respect to the point of intersection of its diagonals.
Answer:

Step-by-step explanation:
a hemisphere is half a sphere.
And if the formula for the volume of a sphere is:

we must calculate the volume of the sphere and in the end divide by two to find the volume of the hemisphere.
Since the radius is:

substituting this into the formula for volume:

this is the volume of the total sphere, thus the volume of a hemisphere is:

rounding to the nearest tenth:
