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Exam-Style Questions on Mensuration Similarity

Problems on Mensuration Similarity adapted from questions set in previous exams.

1.

GCSE Higher

(a) Find the area of a regular octagon if the distance from its centre to any vertex is 10cm.

Octagon

(b) If the octagon had been cut from a piece of square card that was only just large enough, work out the area of the original square piece of card.

(c) A table top is made in the shape of a regular octagon with sides five times as long as the card model. Find the ratio of the area of the table top to the area of the card model.


The exam-style questions appearing on this site are based on those set in previous examinations (or sample assessment papers for future examinations) by the major examination boards. The wording, diagrams and figures used in these questions have been changed from the originals so that students can have fresh, relevant problem solving practice even if they have previously worked through the related exam paper.

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