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# Find the length of one side in a similar triangle

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Find the unknown lengths in the pair of similar triangles. (Triangles are not drawn to scale. Assume corresponding sides are in the same position within each triangle.)
a ------- cm (Simplify your answer.)

Find the unknown lengths in the pair of similar triangles.
a --------- mm

Find the perimeter of each triangle. Assume the triangles are similar.
X=

The length of the shadow of a 4-ft stick can be found by comparing its shadow to the shadow of a 27-ft-tall house. The house had a shadow 6-ft long. How long would the stick's shadow be at that time?
The length of the shadow would be -------

Jordan and Lu are walking together and notice that their shadows are different lengths. Jordan's shadow is 210 cm long and Lu's shadow is 170 cm long. If Jordan is 187 cm tall, how tall is Lu?
------ cm (Round to the nearest whole number as needed.

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