Question:
A rectangle has area 36 m^2.Express the perimeter of the rectangle as a function of the length (L) of one of i?
A rectangle has area 36 m^2.Express the perimeter of the rectangle as a function of the length (L) of one of i? A rectangle has area 36 m2.
(a) Express the perimeter of the rectangle as a function of the length (L) of one of its sides.
b-State its domain
thnx sooo much xxxx
Answers:
The area = 36 m^2
Therefore the length = Sqrt of 36m
= 6m.
The Perimeter = 6m * 4 = 24m
1/3
Area=36
i.e l*b=36
b=36/l
perimeter(P)=2(l+b)
P=2(l+36/l)..............as written above
P=2(l^2+36)/l....l cannot b equal to zero thats the domain
2/3
Lw=36
w=36/L
P=72/L+2L=(2L^2+72)/L=2(L^2+36)/L
domain is L>0
God bless you.
3/3
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