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CBSE Class 9 Answered

R=35 h=12 find curved surface of cone

Asked by Abhishekvedic8873 | 28 Aug, 2018, 08:38: PM
Expert Answer
r = 35 and h = 12
l2 = r2 + h2 
   = 352 + 122 
   = 1225 + 144
   = 1369
l = 37
Curved surface area of cone = begin mathsize 16px style πrl equals 22 over 7 cross times 35 cross times 37 equals 4070 space cm squared end style
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