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ABCD is a rectangle AB= 2x+5 ,BC=20 and AD= 3x+5 ,find the sum of four sides? |
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Answer» Answer: 70 Step-by-step explanation: AB = CD = 2x + 5 BC = AD 20 = 3x + 5 3x = 15 x = 5 so, AB = CD = 2x + 5 2*5 + 5 10 + 5 15 AB = CD = 15 BC = AD = 20 the sum of four SIDES = AB + CD + BC + AD 15 +15 + 20 + 20 70 |
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