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je4n2nydareer
Answered

The lengths of the sides of a rectangular window have the ratio 1.6 to 1. The area of the window is 2,560 square inches. What are the dimensions of the window?


A50.6 inches by 50.6 inches
B40 inches by 64 inches
C40 inches by 80 inches
D40 inches by 102.4 inches

Verified Answer :

collenariana123

I think it is B you need to divide

Lampa20

S = ab    this is formula for surface.
Condition of the task is:
a:b = 1.6:1
a = 1.6b

Now we implement this in surface formula
S = 1.6b^2
and calculate "b"

\(b= \sqrt{ \frac{S}{1.6} }\)

b = 40
a = 1.640 = 64

Answer is B.