Answer: B
The poster is formed by a triangle and a rectangle, with their formula for the area being x base x height and base x height respectively.
Therefore, the area is x 27cm x 12cm + 20cm x 15cm, answer being 462cm2 (b) .
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x base x height and base x height respectively. x 27cm x 12cm + 20cm x 15cm, answer being 462cm2 (b) .