1. which solid has one base that is a triangle and three lateral surfaces that are triangles? a.) triangular pyramid b.) triangular prism c.) rectangular prism d.) rectangular pyramid,

The correct answer is A.) triangular pyramid. The triangular pyramid has a triangle base on the bottom. It also has three lateral sides or surfaces that are triangles. This solid is usually part of Geometry. The point at the top of the triangular pyramid is called the apex.

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