Question 5
In figure if AD = 6 cm, DB = 9 cm, AE = 8 cm and EC = 12 cm and โ ADE = 48ยฐ . Find โ ABC
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CBSE Class 10 Sample Paper for 2019 Boards
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CBSE Class 10 Sample Paper for 2019 Boards
Last updated at March 23, 2023 by Teachoo
Question 5
In figure if AD = 6 cm, DB = 9 cm, AE = 8 cm and EC = 12 cm and โ ADE = 48ยฐ . Find โ ABC
Get live Maths 1-on-1 Classs - Class 6 to 12
Question 5 In figure if AD = 6 cm, DB = 9 cm, AE = 8 cm and EC = 12 cm and โ ADE = 48ยฐ . Find โ ABC Letโs label the figure Here, ๐ด๐ท/๐ท๐ต = 6/9 = 2/3 ๐ด๐ธ/๐ธ๐ถ = 8/12 = 2/3 So, ๐ด๐ท/๐ท๐ต = ๐ด๐ธ/๐ธ๐ถ We know that If line divides two sides of a triangle in same ratio then line is parallel to third side โด DE โฅ BC Now, for parallel lines DE and BC, with transversal AB โ ABC = โ ADE โ ABC = 48ยฐ