NZ Level 6 (NZC) Level 1 (NCEA)
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Area and Volumes of Similar Figures

Interactive practice questions

The corresponding sides of two similar figures are in the ratio $7:3$7:3.

a

State the length scale factor from the left figure to the right figure.

$\editable{}$

b

State the area scale factor from the left figure to the right figure.

$\editable{}$

Easy
Approx 2 minutes
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Find the area scale factor for each of the following linear scale factors:

Find the value of $x$x in each of the following cases:

The corresponding sides of two similar triangles are $8$8 cm and $40$40 cm. If the area of the smaller triangle is $24$24 cm2. Find $A$A the area of the larger triangle.

Outcomes

GM6-5

Recognise when shapes are similar and use proportional reasoning to find an unknown length

91031

Apply geometric reasoning in solving problems

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