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Pls help...... find out b where perimeter is =50 |
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Answer» perimeter of RECTANGLE =2(l+B)so l=(a-b) and b = (a+b)so 2[(a-b)+(a+b)] 2a-2B+2a+2b =50 ( here +2b - 2b cancel) 2a+2a=50 4a=50 a =50/4 then its |
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