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radhika has 1m long ribbon she uses it to decorate given handkerchief how much ribbon will be left overhint 1 m = 100cm |
Answer» LACE needed for the handkerchief is 1200 cm.Question : Radhika had a piece of cloth 1m long and 60cm broad. she cut it into SQUARE shaped HANDKERCHIEFS, each side measuring 20 cm and put a lace on the boundary. How much lace is needed for the handkerchiefs? Given : Cloth dimension : Length = 1 m and Breadth = 60 cm. Conversion of m to cm : 1 m = 100 cm. Length = 100 cm and Breadth = 60 cm. Measurement of each side of handkerchief = 20 cm Let "x" be the number of handkerchief. Area of cloth = x (Area of one handkerchief) 100 × 60 = x ( 20 × 20 ) 6000 = 400 x x = x = 15. Hence, there are 15 handkerchiefs. To FIND how much lace is needed for the handkerchiefs? : Perimeter of one handkerchief = 4 × 20 = 80 cm. Lace needed for 15 handkerchief = 15 × 80 = 1200 cm. Therefore, lace needed for the handkerchief is 1200 cm. To learn more... 1. If perimeter of square is tripled, then area will ____ of original area? 2. Find the perimeter of square whose sides is 11m 25 cm |
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