grade 1 · EG-004

Which attribute defines it?

Separate defining attributes such as sides from non-defining attributes such as color.

Learn togetherFresh problem · seed 132866923

Which statement describes a defining attribute of every triangle?

Let's work it out together.

Work through one checkpoint at a time. Your answer area opens after the reasoning.

Checkpoint 1

A defining attribute must be true for every example of the shape.
Checkpoint 2

Color, size, and direction can change.
Checkpoint 3

Sides and corners determine the shape name.

It points upward.It is large.It has 3 straight sides.It is blue.