Similar Figures Scale Drawings

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit on paper, maintaining the same ratios as the actual dimensions.

Front

If a scale is 1 cm : 5 m, how do you convert a measurement from the drawing to the actual size?

Back

Multiply the measurement in cm by 5 to find the actual size in meters.

Front

What does it mean for two figures to be similar?

Back

Two figures are similar if they have the same shape but not necessarily the same size, and their corresponding angles are equal while their corresponding sides are in proportion.

Front

In similar figures, what can be said about the corresponding angles?

Back

All corresponding angles in similar figures are congruent (equal in measure).

Front

If a rectangle has a width of 4 cm on a drawing and the actual width is 20 m, what is the scale of the drawing?

Back

The scale is 1 cm : 5 m.

Front

How do you find the actual length of an object from a scale drawing?

Back

Multiply the length on the drawing by the scale factor to find the actual length.

Front

What is the scale factor if a garden is 30 ft wide and 6 in wide on a blueprint?

Back

The scale factor is 1 in : 5 ft.

Front

If a flagpole is represented as 3 in on a drawing with a scale of 1 in = 6 ft, how tall is the actual flagpole?

Back

The actual flagpole is 18 feet tall.

Front

What is the formula to calculate the actual distance using a scale?

Back

Actual Distance = Measurement on Drawing × Scale Factor.

Front

If a drawing shows a distance of 2 cm and the scale is 1 cm : 10 m, what is the actual distance?

Back

The actual distance is 20 m.