Similar Figures and Scale Factors

Front

What is the scale factor from ΔDEF to ΔABC if the sides of ΔDEF are half the length of the corresponding sides of ΔABC?

Back

1/2

Front

Two objects that are the same shape but not the same size are _______.

Back

Similar

Front

Are all angles in similar figures congruent? (True/False)

Back

True

Front

If the scale is 1cm = 8km, and two cities are 24cm apart on the map, what is the actual distance between the two cities?

Back

192 km

Front

If the sides of two similar triangles are in the ratio 3:5, what is the scale factor from the smaller triangle to the larger triangle?

Back

5/3

Front

What do we call figures that have the same shape but different sizes?

Back

Similar figures

Front

If a triangle has sides of lengths 6, 8, and 10, and is similar to another triangle with a side length of 12, what is the length of the corresponding side?

Back

16

Front

What is the definition of scale factor?

Back

The ratio of the lengths of corresponding sides of two similar figures.

Front

If two similar rectangles have a scale factor of 2, and the area of the smaller rectangle is 50 square units, what is the area of the larger rectangle?

Back

200 square units

Front

If the scale factor from a smaller figure to a larger figure is 4, what is the ratio of their areas?

Back

16:1