ACARA AC9M8SP01, Congruence and similarity

Year 8 · Space

Identify the conditions for triangles and other common shapes to be congruent or similar, including shapes formed by transformations.

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Surface area of prisms and triangle congruence

Year 8-9 (ages 13 to 15)

Teaching guide

What students learn

Identify the conditions for triangles and other common shapes to be congruent or similar, including shapes formed by transformations.

Worked example

Find the surface area of a rectangular prism with length 4, width 10 and height 6.

Answer: 248 square units

Why: 2 x (4x10 + 4x6 + 10x6) = 2 x (40+24+60) = 248

Generated and checked in code, so it is correct.

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More Year 8 Space codes: AC9M8SP02 · AC9M8SP03 · AC9M8SP04

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Australian Curriculum content descriptions (c) ACARA, used under CC BY 4.0. Descriptions are paraphrased. See australiancurriculum.edu.au.