Scaled Copies and Drawings Review

Scaled Copy
and Scaled

Drawings

Review!

Scaled Copy

Definition: A scaled copy is a copy of a figure where every length in the
original figure is multiplied by the same number

Scaled Copy

For example, triangle DEF is a scaled copy of triangle ABC. Each side
length on ABC was multiplied by 1.5 to get the corresponding side length
on triangle DEF.

True or False?
B is a scaled copy of A

Multiple Choice

True or False?

B is a scaled copy of A

• True

• False

Multiple Select

Select all triangles that are scaled copies of triangle T. (Triangle F is NOT a scaled copy)

• Triangle A

• Triangle B

• Triangle C

• Triangle D

• Triangle E

Multiple Choice

If the scale factor of a figure is ½, the figure will ...

• Get bigger

• Get smaller

• Stay the same

​EVERY side length and height gets multiplied by 1/2 (or divided by 2)

The scaled copy is proportional to the original image

Arki is drawing a map of his neighborhood.

He wants to include his house and the pizza place, which are 1500 ft apart.

What should the distance between the pizza place and his house?



Scale: 1 inch = 150 ft

Arki is drawing a map of his neighborhood.

On the same map, the pizza place and the park are 12 inches apart.

What is the actual distance between the Pizza Place and the park?


Scale: 1 inch = 150 ft

Multiple Choice

I have a scale that is 1 foot = 400 miles

I am drawing a new map with the new scale

1 foot = 200 miles

My NEW scale drawing will...

• Be a larger image

• Be a smaller image

• Not change

Remember...
As scale gets bigger, every cm now represents a LARGER area, so your picture will be smaller!

As scale gets smaller, every cm now represents a SMALLER area, so your picture will get larger!

Fill in the Blanks

Multiple Choice

A scale drawing of a pool is 4 cm by 8 cm. The real width of the pool is 12 feet.

What is the area of the real pool?

• 96 ft²

• 32 ft²

• 288 ft²

• 144 ft²