9. An ice cream cone has a radius of 24 cm and a height of 12 cm,
What is its surface area?
10. A pyramid has a square base of side 24 cm and the height of each
triangular face is 16 cm. Find the surface area of the pyramid.
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9. An ice cream cone has a radius of 24 cm and a height of 12 cm,
What is its surface area?
10. A pyramid has a square base of side 24 cm and the height of each
triangular face is 16 cm. Find the surface area of the pyramid.
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Answer:
1. SA = nr^2+nrh=(3.14)(24^2)+(3.14)(24)(12)=1808.64+904.32= 2712.96
2. SA = 2ps + b