CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic

CBSE Class 10 Sample Paper for 2020 Boards - Maths Standard →
Maths Class 10
Solutions of Sample Papers for Class 10 Boards

Question 7 (Choice - 1) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at August 14, 2026 by

In the given fig. DE ∥ BC, ∠ADE = 70° and ∠BAC = 50°, then angle ∠BCA = ______

 

In fig. DE || BC, ADE = 70° and BAC=50°, then angle BCA = ? - Teachoo

Remove Ads
Teachoo · Class 10 Explore Class 10

Transcript

Question 7 (Choice - 1) In the given fig. DE ∥ BC, ∠ADE = 70° and ∠BAC = 50°, then angle ∠BCA = ______Since DE ∥ BC ∠ ABC = ∠ ADE ∠ ABC = 70° By Angle sum property of triangle ∠ BAC + ∠ ABC + ∠ BCA = 180° 50° + 70° + ∠ BCA = 180° 120° + ∠ BCA = 180° ∠ BCA = 180° − 120° ∠ BCA = 60° 1/2 marks 1/2 marks

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.