Two cones with same base diameter 14cm and height 24cm are joined to gether along their bases find surface of shape so formed
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After joining, the surface area will consist of lateral surface areas of two cones.
r = 14/2
= 7cm
h = 24cm
l = √7² + 25² = √49+576 = √625 = 25cm
Surface area = 2×πrl = 2×3.14×7×25 = 1099 cm²
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