please solve q. no.
23
it's urgent...
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p= 2(l+b)
20=2(l+x) ( account. to question as B=x)
10=l+x
x=10-L
also
A=l*b or l*x
24=l*x
24=L*(10-L)
24=10l-l²
l²-10l+24=0
l²-6l-4l+24
l(l-6)-4(l-6)
l=4,6
x=6,4
put in given options u will get
B option
20=2(l+x) ( account. to question as B=x)
10=l+x
x=10-L
also
A=l*b or l*x
24=l*x
24=L*(10-L)
24=10l-l²
l²-10l+24=0
l²-6l-4l+24
l(l-6)-4(l-6)
l=4,6
x=6,4
put in given options u will get
B option
aayushagrawal2004:
thanks
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