## In the given figure, AD = 2cm, BD = 3 cm, AE = 3.5 cm and AC = 7 cm. Is DE parallel to BC ?

Last updated at Oct. 23, 2020 by Teachoo

Transcript

Question 7 (Choice - 2) In the given figure, AD = 2cm, BD = 3 cm, AE = 3.5 cm and AC = 7 cm. Is DE parallel to BC ? Here, ๐จ๐ซ/๐ซ๐ฉ=๐/๐ ๐จ๐ฌ/๐ฌ๐ช= ๐ด๐ธ/(๐ด๐ถ โ ๐ด๐ธ) =3.5/(7 โ 3.5) =3.5/3.5=๐ Since ๐จ๐ซ/๐ซ๐ฉ โ ๐จ๐ฌ/๐ฌ๐ช โด Ratio of the two sides is not same, So, we cannot use Basic Proportionality Theorem โด DE is not parallel to BC

CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic

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Class 10

Solutions of Sample Papers for Class 10 Boards

- CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard
- CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic
- CBSE Class 10 Sample Paper for 2020 Boards - Maths Standard
- CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic
- CBSE Class 10 Sample Paper for 2019 Boards
- CBSE Class 10 Sample Paper for 2018 Boards

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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.