CBSE Class 10 Answered
mensuration
Asked by baidshryans | 26 Feb, 2009, 11:57: PM
Expert Answer
Area of a rectangular plot is 260 m sq
Let l be length & b be the breadth of the rectangular plot
⇒lb = 260...................(1)
Now, If its length decreases by 5m and the width increases by 2m, it becomea a square.
⇒l-5 = b +2
⇒l - b = 7
⇒l = b +7...................(2)
Now substituting the value of l in (1)
we get,
(b+7)b = 260
b2+7b -260 = 0
(b-13)(b+20) = 0
⇒ b = 13 or b = -20 (rejected)
Putting in equating 2 we get, l =20
Hence l = 20 & b =13
Answered by | 27 Feb, 2009, 10:19: AM
CBSE 10 - Maths
Asked by sandeepsg9814 | 03 Mar, 2024, 10:11: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by vandana | 17 Feb, 2024, 12:46: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by skj809563 | 24 Nov, 2023, 09:07: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by advikanagare29 | 13 Nov, 2023, 09:07: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by harjinder13100 | 31 Oct, 2023, 05:48: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by naveenkumarbana1 | 08 Jan, 2020, 07:38: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by | 02 Jan, 2013, 09:56: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by Manisha Vadagave | 18 Dec, 2012, 07:25: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by Manisha Vadagave | 18 Dec, 2012, 07:23: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by Manisha Vadagave | 18 Dec, 2012, 07:19: PM
ANSWERED BY EXPERT