Answer:
C
Step-by-step explanation:
So first, you find the area of a rectangle, which would be 15 * 30 = 450. Next, find the area of the semicircle by doing 
(you have to divide by 2 because it's only have a circle).
The radius is half of 15, so 15 / 2 = 7.5. This would be:
The last step is to add 450 + 88.3125 = about 538.3 m^2
Answer:
C<B<A
Step-by-step explanation:
C Is smallest
The square root of 400 is 20 so its in the middle
And A is the biggest
C is less than B
B is less than A
I think you worded that a little wrong
Answer:
A parallelogram because the figure described has exactly two pairs of parallel sides.
Step-by-step explanation:
A trapezoid only has one pair of parallel sides so it can't be that and it can't be a parallelogram with exactly one pair of parallel sides because they have two pairs.
I believe the answer is 11
