Identify the lateral area and surface area of a regular triangular pyramid with base edge length 14 cm and slant height 15 cm.
I already have the lateral area figured out (315), I don't understand how to get the surface area. XP I always get it wrong.
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Home » Mathematics » Identify the lateral area and surface area of a regular triangular pyramid with base edge length 14 cm and slant height 15 cm. I already have the lateral area figured out (315), I don't understand how to get the surface area.