Scale Drawing

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

• an enlargement

• a reduction

• a scale factor

• bigger

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

• reduction

• enlargement

• scale

• not proportional

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4

Is Figure B a scaled copy of Figure A?

• Yes

• No

Is Figure B a scaled copy of Figure A?

• Yes

• No

A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7

 

What are the side lengths of the scaled copy?

• 2 inches by 21 inches

• 14 inches by 21 inches

• 21 inches by 14 inches

• 2 inches by 3 inches

Scale Factor of 5 is getting _________________ .

• Smaller

• Larger

What is a scale drawing?

• A drawing that shows a real object enlarged or reduced

• A drawing of the weight of an object

• A life size drawing of an object

• A drawing that shows all the sides of a building

A blueprint was using a scale of 3cm = 4.5m. Find the actual length if it is 5cm on the drawing. (Hint: simplify the scale first)

• 7.5

• 13.5

• 1.5

• 1.7