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anonymous
 one year ago
The length of a rectangle is 7 units and its width is 5 units. What is the approximate length of the diagonal of the rectangle?
4.9 units
6 units
8.6 units
9 units
anonymous
 one year ago
The length of a rectangle is 7 units and its width is 5 units. What is the approximate length of the diagonal of the rectangle? 4.9 units 6 units 8.6 units 9 units

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1we have to apply the theorem of Pitagora, namely: \[d = \sqrt {{L^2} + {W^2}} = \sqrt {{7^2} + {5^2}} = ...\] where d is the diagonal

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1dw:1432919069604:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0are u sure ? i havent heard of that in my lesson haha

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1what is: \[\Large \sqrt {{7^2} + {5^2}} = \sqrt {49 + 25} = ...\]

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1then you have to compute the square root of 74, so what do you get?
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