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Examine the triangles, which are similar.

Two similar triangles. The first triangle has a side length of 21 meters, which corresponds to the second triangle's side of 3 meters. The missing side of the first triangle corresponds to a side of 8 meters on the second triangle.


How many meters long is the missing side?


Note: The triangles may not be drawn to scale.


Enter your answer as a number, like this: 42


2. Examine the triangles.

Two similar triangles. The first triangle has a side length of 6 inches, which corresponds to the second triangle's side of 18 inches. The first triangle has a side length of 11 inches that corresponds to the missing side on the second triangle.


If the triangles are similar, what is the length of the missing side?


Note: The triangles may not be drawn to scale.


Enter your answer as a number, like this: 42


3. Examine the triangles, which are similar.

Two similar triangles. The first triangle has a side length of 14 millimeters, which corresponds to the second triangle's side of 21 millimeters. The missing side of the first triangle corresponds to a side of 18 millimeters on the second triangle.


How many millimeters long is the missing side?


Note: The triangles may not be drawn to scale.


Enter your answer as a number, like this: 42