Answers

2015-06-12T19:50:45+05:30
After joining, the surface area will consist of lateral surface areas of two cones.
cm
r = 8cm
h = 15cm
l = √8² + 15² = √64+225 = √289 = 17cm

Surface area = 2×πrl = 2×3.14×8×17 = 854 cm²
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