The length of a side of the base of a pyramid is 5 cm, and the slant height is 7 cm. How much larger is the surface area of this pyramid than the surface area of a cone with a diameter of 5 cm and a slant height of 7 cm? Round to the nearest hundredth.

A) 90.39 cm²
B) 20.39 cm²
C) 34.59 cm²
D) 45.39 cm²
E) 21.71 cm²


B) 20.39 cm²

Mathematics

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