{{ stepTitles[currentStep] || 'Great Job!' }}

Drag to sort

Classify triangles by their side lengths.

{{ basket.name }}
{{ basket.desc }}
{{ t.sides.join(', ') }}
Slide to shape

Make an {{ s2.goal }} triangle!

{{ s2.currentType }} Triangle
Build the shape

Select properties to build a {{ s3.goal.name }}.

Sides
Angles
Awaiting input...
MATCH!
Tap to slice

Find {{ s4.goal.needed }} lines of symmetry for the {{ s4.goal.shape }}.

Found: {{ s4.lines.length }} / {{ s4.goal.needed }}

Geometry Master!

You successfully classified triangles, built quadrilaterals, and found lines of symmetry.