solving proportions/similar figures

Front

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

Back

Similar

Front

Find the missing side: If one side of a triangle is 5 cm and the corresponding side of a similar triangle is 7 cm, what is the missing side of the second triangle if the corresponding side is 9 cm?

Back

7 cm

Front

The pair of figures is similar. Find the missing side: If one side is x and the corresponding side is 5, and the other side is 20, what is x?

Back

x = 5

Front

Find the missing side: If one side of a rectangle is 5 cm and the corresponding side of a similar rectangle is 7 cm, what is the missing side if the corresponding side is 9 cm?

Back

7 cm

Front

Solve for x: If 4/5 = x/100, what is x?

Back

x = 80

Front

Definition: Proportionality

Back

A relationship between two quantities where their ratio remains constant.

Front

Definition: Similar Figures

Back

Figures that have the same shape but may differ in size.

Front

Definition: Scale Factor

Back

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

Front

Example: If two similar triangles have sides of lengths 3 cm and 6 cm, what is the scale factor?

Back

Scale factor = 2

Front

Definition: Cross Multiplication

Back

A method used to solve proportions by multiplying the numerator of one fraction by the denominator of the other.