The breadth and length of a rectangle are in ratio 2:3 it's perimeter is30 cm find the length and breadth
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let the length and breadth be 3x and 2x respectively
perimeter of rectangle = 2( L× B)
30 = 2( 2x × 3x)
30/2 = 6x
15 = 6x
15/6 = x
x = 5/3
put x = 5/3 in breadth and length
3x = 3× 5/3
= 5
2x = 2 ×5/3
= 10/3
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