# Rectangle length?, width is 4 dm, perimeter of 28 dm, the area? Length of a rectangle is 15 cm, width?, perimeter of 40 cm, area? Length rectangle?, width is 3 cm, perimeter?, the area is 15 cm²

Kameena

266

1. and = x in =4 P=28 S-perimeter pryamoug P=2 (and + c) means length and = (R-2v)/2=(28-4*2)/2=10 dm of S = a*v =4*10=40 apartment of dm 2.a =15 in - P =40 cm of S-in = (R-2a)/2=(40-15*2)/2=5 cm of S = 5*15=75 apartment of cm 3, and - to =3 R-S=15 apartment of cm of S= a*v and =S / in =15/3=5 cm of P=2 (and + c) =2(5+3)=16 cm

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Lavrentij

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