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Question 9 - CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic

Last updated at Oct. 5, 2019 by

The distance of the point P (3, − 4) from the origin is

(a) 7 units            (b) 5 units          (c) 4 units         (d) 3 units

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  1. Class 10
  2. Solutions of Sample Papers for Class 10 Boards

    3. CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic

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Transcript

Question 9 The distance of the point P (3, βˆ’4) from the origin is (a) 7 units (b) 5 units (c) 4 units (d) 3 units We need to find distance between point P(3, –4) and Origin O (0, 0) Now, Required Distance = √((π‘₯_2βˆ’π‘₯_1 )^2+(𝑦_2βˆ’π‘¦_1 )^2 ) = √((0βˆ’3)^2+(0βˆ’(βˆ’4))^2 ) = √((βˆ’3)^2+(βˆ’4)^2 ) = √(3^2+4^2 ) = √(9+16) = √25 = 5 Therefore, Required Distance = 5 units So, (b) is the correct answer

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.