question 3 of 10

which of the following has 20 faces?

a. octahedron
b. tetrahedron
c. icosahedron
d. dodecahedron

Question

question 3 of 10

which of the following has 20 faces?

a. octahedron
b. tetrahedron
c. icosahedron
d. dodecahedron

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "direct_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Geometric Prefixes", "Platonic Solids" ], "new_concepts": [], "current_concepts": [ "Geometric Prefixes", "Platonic Solids", "Polyhedron Face Count" ] } ## Analyze geometric prefixes $$ \begin{aligned} &\text{Octa-} \implies 8\ &\text{Tetra-} \implies 4\ &\text{Icosa-} \implies 20\ &\text{Dodeca-} \implies 12 \end{aligned} $$ ## Match face counts to options $$ \begin{aligned} &\text{Octahedron} \implies 8\text{ faces}\ &\text{Tetrahedron} \implies 4\text{ faces}\ &\text{Icosahedron} \implies 20\text{ faces}\ &\text{Dodecahedron} \implies 12\text{ faces} \end{aligned} $$

A. Octahedron

B. Tetrahedron

C. Icosahedron

D. Dodecahedron

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Geometry", "Polyhedron Face Count" ] }

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Analyze geometric prefixes

Match face counts to options

Answer: