ncert maths class 9th Archives

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AnilSinghBoraGuru

Asked: July 8, 2022In: CBSE

Let s denote the semi-perimeter of a triangle ABC in which BC = a, CA = b, AB = c. If a circle touches the sides BC, CA, AB at D, E, F, respectively, prove that BD = s – b.

Well this is a very confusing question i really don’t have any idea how to solve this one, what formula ...Read more

AnilSinghBoraGuru

Asked: July 12, 2021In: CBSE

please help me solving this question. this is question number 1 exercise 4.4 chapter linear equations this is very important ...Read more