1.

if the perimeter of a square is 40 m find the length and breadth of the rectangle are given that breath is 1 by 3 of the length

Answer»

LET LENGTH be ( X ) m and breadth be ( x / 3 ) m




Perimeter = 40

2( length + breadth ) = 40

Length + Breadth = 40



x + ( x / 3 ) = 40



( 3x + x ) / 3 = 20


4x = 20*3


x = ( 20 * 3 ) / 4


x = 5 * 3


x = 15






Hence, Length = 15 m

Breadth = ( 15 / 3 ) m = 5 m



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