two cones same base radius 8 cm and height 15 CM are joined together along with their basic find the surface area of the shape so formed
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After Joining, the surface area will consist of lateral surface areas of two cones.
r = 8cm
h = 15cm
l = √8^2 + 15^2 = √64 + 25
= √289
= 17cm
Surface area = 2πrl = 2 x 3. 14 x 8 x 17 = 854 cm^2
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r = 8cm
h = 15cm
l = √8^2 + 15^2 = √64 + 25
= √289
= 17cm
Surface area = 2πrl = 2 x 3. 14 x 8 x 17 = 854 cm^2
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Surface area is 854 sq. cm.
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