Scale Drawing and Proportions

The distance from Point A to Point B on a scale drawing is 6 cm. If the scale is 1cm : 10m. What is the actual distance from A to B?

• 6 m

• 10 m

• 18 m

• 60 m

Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, how far apart are they?

• 87 km

• 216 km 

• 33 km

• 192 km

The windows in the drawing are 1¾ cm apart, how many meters apart are the actual windows if the scale is 2 cm=10 m?

• 8¾ m

• 7½ m

• 5 m

• 2¼ m

__________: A ratio between the measurements of the drawing and of the actual object.

• scale drawing

• constant of proportionality

• scale

• unit rate

Determine the scale in the form of 1:n

Determine the scale used in the form of 1:n

Find the perimeter of the large triangle.

• 24

• 36

• 12

• 54

A house plan is drawn with the scale of 1:400. The length and the width of living room on the plan are 5cm and 4cm respectively. If the living room is shape of a rectangle, what is the actual area, in m², of the living room?

• 20

• 320

• 200 000

• 3 200 000

The diagram shows a combination of a rectangle JKMN and a triangle KML. If the measurement of the scale drawing of KL is 6.5cm, what is the scale for the drawing?

• 1 : 2

• 1 : 20

• 1 : 200

The diagram is redrawn using the scale of 1:200. Calculate the length of AB, in cm, of the drawing.

• 2.5

• 3

• 5

• 6