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I am sturggling to understand the rule they are going by...
Well, if you know that the width is 25 meters, then use: A=l•w You know that P=2(l+w) So you can use that to find the length. 140=2(l+25) solve for length
So find l, and then the Area
l = 45
And then: A=w•l A=25•45 A=?
I don't have a calc. so lets do that.... 25•45= 25•(25+20)= 25•25+25•20= 625+500= 1125. Yes:)
Yay! thank you :) <3
I like practicing every technique that I can encounter while doing a question, this is why I have done what I did just now....
By the way, in Russia for example as long as other Ueropean countries, when you use a comma you indicate a decimal so I try to use space (source: from Engineering).
in any case, i know you meant a thousand, tho'
Oh I see! Thank you for informing me! ^_^
Don't worry about it tho now:) You are welcome, and good luck!
agree with the above just wanted to add the function A = (70 - w)w
Yes, that is true:)
By the way good choice of meters, as they are the "SI Units"... don't want to overwhelm on the same question tho'..... cu