IXL | Side lengths and angle measures of similar triangles

If these two shapes are similar, what is the measure of the missing length w?

1 ft

3 ft

12 ft

w = feet

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Learn with an example

If these two figures are similar, what is the measure of the missing angle?

35°

60°

85°

Corresponding angles in similar shapes have the same measure.

Look at the angle with the question mark. Find the corresponding angle in the other shape.

60°

Since the shapes are similar, the measure of the missing angle is also 60°.

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