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CBSE Class 7 Answered

FOUR NAPKINS ALL OF SAME SIZE WERE MADE FROM A SQUARE PIECE OF CLOTH OF LENGTH 1M. WHAT LENGTH OF LACE WILL REQUIRE TO TRIM ALL FOUR SIDES OF ALL THE NAPKINS?
Asked by brij.kadam | 25 Dec, 2018, 04:13: PM
answered-by-expert Expert Answer
 
Napkin will be in Square shape.
 
Side of each Napkin = 50 cm     
 
Perimeter of a Napkin = 4 × 50 = 200 cm
Perimeter of 4 Napkins = 4 × 200 = 800 cm
Therefore the length of lace will require to trim all four sides of all the napkins is 800cm = 8 m


Answered by Yasmeen Khan | 26 Dec, 2018, 06:10: PM
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