2023Q1(vi)Similarity (With Applications to Maps and Models)

MCQEasy1 mark

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

In the given figure ∠BAP = ∠DCP = 70°, PC = 6 cm and CA = 4 cm, then PD : DB is :

Topic: Similarity / scale factor

Question diagram

Previous-year question practice database

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Pick an option and check your answer. The full worked answer is below either way.

Choose an answer

5 : 33 : 53 : 22 : 3

Answer

Exam answer

(c) 3 : 2

Explanation

From AA similarity, PB/PD = PA/PC = 10/6=5/3. If PB=5k and PD=3k, DB=2k, hence PD:DB=3:2.

In words

3 : 2

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