Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the length of the lace required and also find its cost if one meter of the lace costs ` 15. (Take (Ļ€) = 3.14)

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M.SC MATHS from JAMIA MILLIA ISLAMIA, NEW DELHI, 6+Years of Teaching Experience.

Diameter = 1.5 m Radius (š‘Ÿ)=0.75m Cost per meter = ₹15 Length of lace =Circumference =2pir =2×3.14×0.75=4.71m   2πr=2×3.14×0.75=4.71m Cost =4.71×15= ₹70.65 Length of lace required = 4.71 m Cost = ₹70.65
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Diameter = 1.5 m Radius (š‘Ÿ)=0.75m Cost per meter = ₹15 Length of lace =Circumference =2pir =2×3.14×0.75=4.71m   2πr=2×3.14×0.75=4.71m Cost =4.71×15= ₹70.65 Length of lace required = 4.71 m Cost = ₹70.65 read less
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M.SC MATHS from JAMIA MILLIA ISLAMIA, NEW DELHI, 6+Years of Teaching Experience.

Diameter = 1.5 m Radius (š‘Ÿ)=0.75m Cost per meter = ₹15 Length of lace =Circumference =2pir =2Ɨ3.14Ɨ0.75=4.71m   2Ļ€r=2Ɨ3.14Ɨ0.75=4.71m Cost =4.71Ɨ15= ₹70.65 Length of lace required = 4.71 m Cost = ₹70.65
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C language Faculty (online Classes )

Diameter of the circular table cover = 1.5 m Radius of the circular table cover = 1.5/2 m = 0.75 m Circumference of circular table cover = 2Ļ€r = 2 Ɨ 3.14 Ɨ 0.75 m = 4.71 m Therefore, the length of the required lace is 4.71 m. The cost of 1 m lace is ₹ 15 The cost of 4.71 m lace =...
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Diameter of the circular table cover = 1.5 m Radius of the circular table cover = 1.5/2 m = 0.75 m Circumference of circular table cover = 2Ļ€r = 2 Ɨ 3.14 Ɨ 0.75 m = 4.71 m Therefore, the length of the required lace is 4.71 m. The cost of 1 m lace is ₹ 15 The cost of 4.71 m lace = ₹ 15 Ɨ 4.71 = ₹ 70.65 read less
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"Rajesh Kumar N: Guiding Young Minds from 1 to 12 with Expertise and Care"

Diameter = 1.5 m ⇒ Radius = 0.75 m Circumference = 2πr = 2 × 3.14 × 0.75 = 4.71 m Cost = 4.71 × ā‚¹15 = ₹70.65 Answer: Length of lace = 4.71 m, Cost = ₹7 0.65
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Online Mathematics tutor with 8 years experience(Online Classes for 10th to 12th)

Diameter = 1.5 m Radius (š‘Ÿ)=0.75m Cost per meter = ₹15 Length of lace =Circumference =2pir =2Ɨ3.14Ɨ0.75=4.71m   2Ļ€r=2Ɨ3.14Ɨ0.75=4.71m Cost =4.71Ɨ15= ₹70.65 Length of lace required = 4.71 m Cost = ₹70.65
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