Unit 1 Scale Drawing - Vocabulary

Front

If the scale factor is less than one, the new figure will be...

Back

reduced (smaller)

Front

When part of an original figure matches up with part of a copy, we call them ___________ _____.

Back

corresponding parts

Front

Dividing 1 by a number gives the _________ of that number.

Back

reciprocal

Front

What tells how the measurements in a scale drawing represent the actual measurements of the object?

Back

scale

Front

To create a scaled copy, we multiply all the lengths in the original figure by the same number. What is the number called?

Back

scale factor

Front

What is a scale drawing?

Back

A representation of an object that is proportional to its actual size.

Front

What is the scale factor in a scale drawing of 1:4?

Back

The scale factor is 4, meaning the drawing is 4 times smaller than the actual object.

Front

What does it mean for two figures to be similar?

Back

They have the same shape but different sizes, with corresponding angles equal and sides in proportion.

Front

How do you find the scale factor between two similar figures?

Back

Divide the length of a side of the larger figure by the length of the corresponding side of the smaller figure.

Front

What is the reciprocal of 3/4?

Back

4/3