Page 110 - Math Course 1 (Book 2)

Three-Dimensional Figures

Let’s Begin C. Identify the solid. Name the bases, faces,
edges, and vertices.

• A

Identify Solids

Examples

• B
A. Identify the solid. Name the bases, faces,
edges, and vertices. The solid has two parallel
H J Answer circular bases. So, it is a
cylinder: bases A and B.

N
G
Your Turn!
L P
Identify Solids
This f gure has two parallel
congruent bases that are
Answer A. Identify the solid. Name the bases, faces, edges,
rectangles, GHJK and LMNP, and vertices.
so it is a rectangular prism.

faces: GHJK, LMNP, GHML, HJNM, JKPN, GKPL

edges: GH, HJ, JK, GK, LM, MN, NP, LP, GL, HM,
JN, KP
vertices: G, H, J, K, L, M, N, P

A. rectangular pyramid;
B. Identify the solid. Name the bases, faces, base: BCDE
edges, and vertices. faces: ABC, ACD, ADE, AEB, BCDE
edges: AB, AC, AD, AE, BC, CD, DE, EB
G
vertices: A, B, C, D, E
B. rectangular pyramid;
base: BCDE
faces: ABC, ACD, ADE, AEB, BCDE
D F edges: AB, AC, AD, AE, BC, CD, DE, EB
vertices: A, B, C, D, E
E C. triangular pyramid;

This f gure has one triangular base: BCDE
Answer base, DEF, so it is a triangular faces: ABC, ACD, ADE, AEB
pyramid. edges: AB, AC, AD, AE
vertices: A, B, C, D, E
faces: DEF, DEG, DFG, EFG
D. rectangular pyramid;
edges: DE, DF, DG, EF, EG, FG base: BCDE
faces: ABC, ACD, ADE, AEB
vertices: D, E, F, G edges: AB, AC, AD, AE
vertices: A, B, C, D, E

Answer

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