Scale Drawing

The actual area of a square garden is 400m². If the garden is drawn using the scale of 1:500, calculate the area, in cm², of the drawing.

• 4

• 8

• 16

• 20

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 actual length of a side of a quadrilateral is 49mm. The length of the mentioned side on a scale drawing is 7cm using the scale of 1:n. Calculate the value of n.

Based on the diagram, check 2 correct length of JK based on the given scales.

• Scale = 1:2

  Length of JK = 7.5cm

• Scale = 1:1

  Length of JK = 15mm

• Scale = 1:
  Length of JK = 0.3m

The actual length of a river is 2km. If the river is drawn on a map scale 1:40 000, find the length, in cm, of the river on the map.

State the sclae of the scale drawing

Sarah draws a scale drawing of an object using certain scale. It is found that the scale drawing is bigger than the object. Which of the following is possible scale used by Sarah?

• 1 : 1

• 1 : 2

The scale of a room in a blueprint in 2 inches : 5 feet. The measurement of a wall on the blueprint is inches. Complete the table to help you answer this question.

A wall on the blueprint measures 12 inches. How long is the actual wall?

• 30 ft

• 25 ft

• 20 ft

• 10 ft