Get live Maths 1-on-1 Classs - Class 6 to 12
Last updated at March 16, 2023 by Teachoo
Ex 11.4, 1 (b) The length of a rectangular hall is 4 meters less than 3 times the breadth of the hall. What is the length, if the breadth is b meters? Given that, Breadth of the hall = b m. Now, Length of the hall = = 3 × b − 4 = 3b − 4 ∴ Length of hall = (3b − 4) metres.