CBSE Class 10 Sample Paper for 2026 Boards - Maths Basic
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CBSE Class 10 Sample Paper for 2026 Boards - Maths Basic
Last updated at July 27, 2026 by Teachoo
This question is similar to NCERT Exemplar - MCQ
Please check the question here
https://www.teachoo.com/13397/3602/Question-12/category/NCERT-Exemplar---MCQ/
Transcript
Question 9 If in ∆ABC and ∆DEF, "AB" /"EF" "=" "AC" /"DE" then they will be similar when (A) ∠A = ∠D (B) ∠A = ∠E (C) ∠C = ∠F (D) ∠B = ∠EOur triangles look like Since 𝑨𝑩/𝑬𝑭 = 𝑨𝑪/𝑫𝑬 They will be similar if the middle angle is equal Because then we can use SAS similarity to prove similar ∴ If ∠ A = ∠ E, only then will the triangles be equal So, correct answer is (b)
