ICSE Class 9 Answered
question no.11
Asked by aditisingh1012010 | 05 Jun, 2023, 02:36: PM
Expert Answer
Length of the rectangular room = x units.
Width of the rectangular room = 4/7 x units.
Perimeter = y units.
Equation connecting x and y is given below.
y = 2(length + width)
y = 2(x +
x)
x)y = 
x
xNow the 2nd part of the problem.
Find the length if its perimeter is 4400 cm.
Using the above equation, we will find the vlaue of 'x' by putting 'y'=4400. We get,
4400 = x
x1400 cm = x.
So the length measures 1400 cm.
Answered by | 05 Jun, 2023, 05:22: PM
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ICSE 9 - Maths
Asked by aditisingh1012010 | 05 Jun, 2023, 02:36: PM
ANSWERED BY EXPERT
