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The perimeter of a rectangle is 30 cm If its breadth is 3 ent then its length isa. 4.5 cmb. 5 cmc. 5.5cmd. 6cmWho answers this question I'll mark you as a Brainlist☺☺☺☺☺​

Answer»

Answer:

Step-by-step EXPLANATION:

LET the length be x.

2(x+3cm) = 30CM

2(x+3cm) = 30cm.2(x+3cm) = 30cm2x+6cm = 32(x+3cm) = 30cm2x+6cm = 30cm2x = 30cm - 6cm.2(x+3cm) = 30cm2x+6cm = 30cm2x = 30cm - 6cm2x = 22(x+3cm) = 30cm2x+6cm = 30cm2x = 30cm - 6cm2x = 24cmx = 24/22(x+3cm) = 30cm2x+6cm = 30cm2x = 30cm - 6cm2x = 24cmx = 24/2= 12cm.



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