Rehana has to fix a lace around a saree which is 4 m long and 3 m broad. She bought a 17 m roll of lace. How much lace will be needed for one saree and how much will be left over?
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Step-by-step explanation:
Lace will be attached at the border of the Saree, i.e. it's perimeter.
Perimeter of saree = 2(4 + 3) m = 14 m
For one saree, you need 14 m of lace.
Total lace = 17 m
Left over = 17 - 14 = 3 m
Answered by
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Answer:
Hence, 14m lace will be needed for one saree and 3m lace will be left over.
Step-by-step explanation:
Perimeter of rectangle
= 2 (l+b)
= 2 (4+3)
= 2 × 7
= 14m
So lace needed for one saree is 14m.
Lace left = 17m - 14m = 3m.
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