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Given: radius, r = 10m

Slant height of the cone, s = 14m

Total Surface area of Cone, SA = π* r

This gives: Total surface area of the cone, SA= (π* 10

Therefore, the total surface area of the given cone is 754m

Given: radius, r = 7m

Slant height of the cone, s = 12m

This gives: Total surface area of the cone, SA= (π* 7

Therefore, the total surface area of the given cone is 417.8m