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mariana510
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can someone hep me with this problem please.
Let A, B, C denote three rectangles, all with perimeter equal to 240, whose heights are h_A = 20, h_B = 60, h_C = 110, respectively. Which of the rectangles A, B, or C has the smallest area?
 one year ago
 one year ago
mariana510 Group Title
can someone hep me with this problem please. Let A, B, C denote three rectangles, all with perimeter equal to 240, whose heights are h_A = 20, h_B = 60, h_C = 110, respectively. Which of the rectangles A, B, or C has the smallest area?
 one year ago
 one year ago

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syhna Group TitleBest ResponseYou've already chosen the best response.0
i think its c
 one year ago

mariana510 Group TitleBest ResponseYou've already chosen the best response.0
thank you so much. I thought it was a but i got it wrong.
 one year ago

syhna Group TitleBest ResponseYou've already chosen the best response.0
oh wait i think i got it wrong
 one year ago

syhna Group TitleBest ResponseYou've already chosen the best response.0
P = 2b + 2h right?
 one year ago

syhna Group TitleBest ResponseYou've already chosen the best response.0
240 = 2b + 2(20) 240 = 2b + 40 200 = 2b 100 = base of A do the same with the other rectangles 60 = base of B 10 = base of c A = b x h substitute the values then find which had the smallest area
 one year ago

mariana510 Group TitleBest ResponseYou've already chosen the best response.0
Thanks, also got base C with area 360
 one year ago
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