Scale Drawing/Similar Figures

Front

Vocabulary: A proportional drawing of an object.

Back

Scale drawing

Front

Are these figures similar? Why or why not?

Back

No, their corresponding sides are not proportional.

Front

What is the measure of the side that corresponds with FE?

Back

8

Front

Find the missing side: If the scale factor is 2 and one side is 14, what is the corresponding side?

Back

7

Front

Vocabulary: A ratio between the measurements of the drawing and of the actual object.

Back

Scale

Front

What is the constant of proportionality in a scale drawing?

Back

The ratio of any two corresponding lengths in the drawing and the actual object.

Front

If two figures are similar, what can be said about their angles?

Back

Their corresponding angles are equal.

Front

If a scale drawing has a scale of 1:4, how long is a side that measures 12 units in the drawing?

Back

48 units in the actual object.

Front

What is the scale factor if a drawing of a triangle has sides measuring 3 cm, 4 cm, and 5 cm, and the actual triangle has sides measuring 6 cm, 8 cm, and 10 cm?

Back

2

Front

If two similar figures have a scale factor of 3:5, what is the ratio of their areas?

Back

9:25