Australia
Year 9
4.03 Scale and area
Interactive practice questions
Determine whether the following statements are true or false.
a
Area calculations involve the multiplication of two lengths.
True
A
False
B
b
If the side lengths of a shape are multiplied by a scale factor, the area of that shape will be multiplied by that scale factor four times.
True
A
False
B
c
The ratio of areas in similar figures is equal to the square of the scale factor.
True
A
False
B
Easy
1min
A square has sides of $6$6 cm. Give the side length of the new square if:
Easy
2min
A scale model of a building has a height of $24$24 cm. The actual building is $6$6 m tall. Determine the scale factor used when creating the model based on the actual building.
Easy
1min
The two rectangles in the diagram below are similar:
Easy
1min
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