Serious only. (use special right triangles to determine the surface area of a regular pyramid - geometry).

what is the surface area of this square pyramid?
round your answer to the nearest tenth.

122.2 yd²

192.8 yd²

244.4 yd²

513.3 yd²

note: image not drawn to scale.

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.