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Related Rates (differentiating)

  • Thread starter soul5
  • Start date
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1. Homework Statement
How fast is the area of a square increasing when the side is 3 meters in length and growing at a rate of 0.8meter/minute?


2. Homework Equations
SA=LW
L=3
dL/dt=0.8

3. The Attempt at a Solution

I have no clue how to start this and I'm bad at word problems.
 

Answers and Replies

1,750
1
Wrong formula, find the correct formula and we'll proceed.
 
Dick
Science Advisor
Homework Helper
26,258
618
Wrong formula, find the correct formula and we'll proceed.
It's not really wrong, if it's square then just set W=L. So SA=L^2. Now we can proceed, right?
 
1,750
1
It's not really wrong, if it's square then just set W=L. So SA=L^2. Now we can proceed, right?
Eh, I can somewhat agree ... but I still assume OP didn't realize W=L :p (noticing in the post, L=3)
 

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