1.

The sides of a rectangleare in the ratio 7:5 and itsperimeter is 96 cm. The lengthof the rectangle is​

Answer»

Answer:

LET the sides be 7X and 5x

Given Perimeter = 96

Perimeter = 2( l+b)

96. = 2 ( 7x + 5x )

96 = 2(12x)

96 = 24x

96/24 = x

4 = x

Sides = 7x

= 7* 4 = 28 cm

= 5x

= 5* 4 = 20 cm



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