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Ex 6.5
Ex 6.5, 2 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 3 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 4 Deleted for CBSE Board 2023 Exams
Ex 6.5, 5 Deleted for CBSE Board 2023 Exams
Ex 6.5, 6 Deleted for CBSE Board 2023 Exams
Ex 6.5, 7 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 8 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 9 Deleted for CBSE Board 2023 Exams
Ex 6.5, 10 Deleted for CBSE Board 2023 Exams
Ex 6.5, 11 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 12 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 13 Deleted for CBSE Board 2023 Exams
Ex 6.5, 14 Deleted for CBSE Board 2023 Exams
Ex 6.5, 15 Important Deleted for CBSE Board 2023 Exams
Ex 6.5, 16 Deleted for CBSE Board 2023 Exams
Ex 6.5, 17 (MCQ) Deleted for CBSE Board 2023 Exams You are here
Last updated at Aug. 11, 2021 by Teachoo
Maths Crash Course - Live lectures + all videos + Real time Doubt solving!
Ex 6.5, 17 Tick the correct answer and justify : In ABC, AB = 6 3cm, AC = 12 cm and BC = 6 cm. The angle B is : (A) 120 (B) 60 (C) 90 (D) 45 Let us check whether it is a right angle triangle To prove any triangle to be the right triangle. We use Pythagoras theorem (Hypotenuse)2 = (Height )2 + (Base)2 Here, Hypotenuse is longest side i.e. AC = 12 cm Since L.H.S = R.H.S , Pythagoras theorem is satisfied Hence ABC is a right angled triangle with Hypotenuse = AC = 12 cm So, Angle opposite to hypotenuse (AC) will be 90 Hence, = 90 So, C is the correct answer