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?

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?

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.

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?

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

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.

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.

Diagram (b) is the scale drawing of Diagram (a) using the scale  $1:\frac{1}{5}$ . Find the value of y.

State the sclae of the scale drawing

Calculate the area, in  $cm^2$  , of the triangle in its scale drawing drawn according to a scale of  $1:\frac{1}{3}$  .