Answer:
Choice D
Step-by-step explanation:
The Cavalieri's principle states that if two or more solids have identical cross-sectional area as well as height, then the solids will have equal volume.
Therefore, the volumes of the cylinders are the same
Answer:
x = 9
Step-by-step explanation:
Assuming the rectangles are similar
13 x
------ = ---------
130 90
Using cross products
13*90 = 130*x
Divide each side by 130
13*90/130 = x
x = 9