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Question 28 (OR 2nd question) - CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at Dec. 16, 2024 by Teachoo

Draw a line segment of length 8 cm and divide it in the ratio 2:3

 

Note : This is similar to Ex 11.1, 1 of NCERT – Chapter 11 Class 10

Check the answer here https://www.teachoo.com/5743/542/Ex-11.1--1---Draw-a-line-segment-of-length-7.6-cm-and-divide-in-ratio/category/Ex-11.1/

Transcript

Question 28 (OR 2nd question) Draw a line segment of length 8 cm and divide it in the ratio 2:3 Steps of construction: Draw line segment AB of length 8 cm Draw any ray AX, making an acute angle with AB. Mark 5 (= 2 + 3) points 𝐴_1, 〖 𝐴〗_2, 𝐴_3, 𝐴_4, 𝐴_5 on AX such that 〖𝐴𝐴〗_1=𝐴_1 𝐴_2=𝐴_2 𝐴_3……. by drawing equal arcs Join 〖𝐵𝐴〗_5. Since we want the ratio 2 : 3, Through point 𝐴_2 (m = 2), we draw a line parallel to 𝐴_5 𝐵 by making ∠ AA5B = ∠ AA2C So, we copy ∠ AA5B from point A5 Thus, AC : CB = 2 : 3. On measuring AC and BC by scale. AC = 3.2 cm & BC = 4.8 cm
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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo