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Virty [35]
3 years ago
12

The area of a rectangle is 756 square centimeters. The of the long the width is 7:3. Find the length and the width

Mathematics
1 answer:
Fed [463]3 years ago
3 0

Answer:

18 cm and 42 cm

Step-by-step explanation:

a = wl

7w = 3l, then l = 7/3w

756 = w(7/3w)

756 = 7/3w²

w² = 324

w = 18

l = 42

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