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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☺☺☺☺☺ |
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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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