SOLUTION: a piece of wire 80 cm long is bent to form a rectangle whose length is 3 times its width the area of rectangle thus form is?

SOLUTION: a piece of wire 80 cm long is bent to form a rectangle whose length is 3 times its width the area of rectangle thus form is?

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Question 1022022: a piece of wire 80 cm long is bent to form a rectangle whose length is 3 times its width the area of rectangle thus form is?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
If the length of the rectangle is
and the width is , then the formula
for circumference, , is:

given:

By substitution:

cm

--------------

--------------
Let = area

The area is 300 cm2
-------------------
check:

cm
OK
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