Find the breadth of a rectangle of perimeter 840metre and length 240metres
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Answer:
breath is 180
Step-by-step explanation:
perimeter of a rectangle =2×{l+b}
take b =x
840=2×{ 240 +x}
=2×240+2×x
840 = 480+2x
2x=840-480
2x = 360
x=360/2
x=180
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