Question

Jacob and Roman are standing next to each other. Jacob, who is one hundred eighty centimeters tall, has a shadow that is thirty centimeters long. If Roman is one hundred sixty-eight centimeters tall, approximately how long is his shadow?

six centimeters

eighteen centimeters

twenty-eight centimeters

forty-two centimeters

Answer 1

The two triangles are similar:
\[\frac{ 180 }{ 168 } = \frac{ 30 }{ x }\]
Therefore \[x = \frac{ 168*30 }{ 180 } = 28\]
So the third answer.