A Scalene Triangle ABC Tiles the Plane

question 98

Multiple Choice

A scalene triangle ABC tiles the plane. What is a possible configuration of the angles at the vertices?
I: three types of vertices: 6 As, or 6 Bs, or 6 Cs
II: one type of vertex: 2 As, 2 Bs, and 2 Cs

• A) I only
• B) II only
• C) both I and II
• D) neither I nor II

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Definitions:

Watching

The act of observing attentively; often related to learning, monitoring, or gaining understanding from the behavior of others.

Aggressive Behavior

Actions or conduct that are intended to cause harm or exert dominance over another, which can be physical or verbal in nature.

Reinforcing

Enhances the likelihood of a behavior's recurrence by introducing positive outcomes or removing negative ones following the behavior.

T-maze

A T-shaped apparatus used in behavioral experiments, typically to study learning and memory in small animals by presenting them with a choice between two paths.