Mathematics, 21.08.2019 19:40 kaitlynmorgan43
Rectangle a has one side which is 6cm long and the other is (x+2)cm long. rectangle y has sides of length (2x+1) and 3cm, if the perimeters are the same, calculate the value of x and hence, the lengths of the sides of the rectangles.
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![P_A=2(b+h) \\ P_A=2*[6+(x+2)] \\ P_A=2*(x+8) \\ P_A=2x+16 \\ \\ \\ P_B=2(b+h) \\ P_B=2*[3+(2x+1)] \\ P_B=2*(2x+4) \\ P_B=4x+8 ](/tpl/images/0185/6406/4747e.png)
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Rectangle a has one side which is 6cm long and the other is (x+2)cm long. rectangle y has sides of l...
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