The length of a rectangle is twice the width. The area is 648yd^2. Find the length and the width.
Stacey Warren - Expert brainly.com
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Do you know how to calculate the area of a rectangle? What's the formula for it?
A=l times w. I set it up this way. Let the length = 2w and the width = w, so with area being 648, the equation is 648=2w(w) correct?
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Ok, then after I come up with 648=2w^2, I get lost!! Do I square both sides?
No, you first divide both sides by two to get
Now, to find w, you have to take the square root of both sides
Ok, then I square both sides?
ok let me explain a little:
Squaring sides means raising it to the power of two (multiplying by itself twice)
so, square of w is w^2
Square root means the reverse of the above. So you need to take the square root of the sides