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Length of a rectangle is 16 cm less than twice its breadth. If the perimeter of therectangle is 100 cm, find its length and breadth. |
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Answer» let the breath be x LENGTH is 16 less than twice breath sooo length is 2x-16 perimeter GIVEN = 100 perimeter of rectangle = 2(l+b) = 2 [ (2x-16) + x ] =100 = (2x-16) + x = 100/2 = 2x-16+x= 50 = 2x+x=50+16 =2x+x=66 =3x=66 =x= 66/3 =x=22 breath =22 length = 2x-16 2(22)-16 44-16 length= 28 soooo final ANSWERS... l=28cm b=22cm
sooo |
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