Question

use the questions below to keep track of key concepts from this lessons study activity. 1) practice: organizing information fill in the blanks to complete the definition list. platonic solids • special polyhedrons • all faces are. • all faces are polygons. • the number of faces meet at each. 2) practice: summarizing in your own words, briefly explain why these solids are called platonic. 3) practice: organizing information list the three polygon faces that make all platonic solids. 1. 2. 3. 4) practice: activating prior knowledge and making mental images

Explanation:

1. Platonic solids are a set of special polyhedrons. Their defining characteristics are that all faces are congruent (identical in shape and size), all faces are regular polygons (equal - side and equal - angle), and the same number of faces meet at each vertex.
2. They are called Platonic because they were studied by the ancient Greek philosopher Plato and were associated with his philosophical and cosmological ideas.
3. The three polygon faces that make up all Platonic solids are equilateral triangles, squares, and regular pentagons.

Answer:

1. A set of; congruent; regular; vertex
2. They were studied by Plato and related to his philosophical ideas.
3. Equilateral triangles; Squares; Regular pentagons