2023Q5(iii)(c)Similarity (With Applications to Maps and Models)

NumericalEasy1 mark

5(iii)

In the given figure, AC // DE // BF. If AC = 24 cm, EG = 8 cm, GB = 16 cm, BF = 30 cm.

Figure for this question

Find DB : AB.

Topic: Similarity / scale factor

Previous-year question practice database

Answer

Exam answer

DB : AB = 5 : 8

Explanation

Use the parallel-line/similarity ratios with AC=24, GE=8, GB=16 and DE/BF=1/2.

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