Answer:
the answer to you question is A
Answer:
Most Likely C
Step-by-step explanation:
Using the triangle sum proof:

The blank angle measure and where "X" is are vertical angles.
Vertical angles have the same measurement.
x should be equal to 30°.
What you want to do is find the volume of the first prism and divide the volume by 1.5 to get the surface area. then divide be 4 since it is a square base.
Answer:6a+75
Step-by-step explanation:
5+2a+22+22+1+1+22+4a+3
add 22,22,1,1,22,5, and 3
2a+4a+75
6a+75