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Marianna [84]
3 years ago
13

Daca 2/6 din lungimea unui dreptunghi este 180 m si 3/5 din latime este de 90 m ,afla perimetrul unui alt dreptunghi avand lungi

mea egala cu diferenta dintre laturile primului dreptunghi,iar latimea de trei ori mai mica decat aceasta diferenta.
Mathematics
1 answer:
kvasek [131]3 years ago
7 0
We look for the dimensions of the first rectangle:
 For the length:
 (2/6) L = 180
 L = (6/2) * (180)
 L = 540
 For the width:
 (3/5) W = 90
 W = (5/3) * (90)
 W = 150
 We look for the dimensions of the new rectangle:
 For the length:
 L '= 540-150
 L '= 390
 For the width:
 W '= (1/3) * (390)
 W '= 130
 Answer:
 The dimensions of the new rectangle are:
 L '= 390
 
W '= 130
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