Geometry Explorer

Learning fit

Labels show who asserted each claim.

Visual shape library of nine 2D and 3D shapes with diagrams, properties, and formulas; interactive angle turner and area/perimeter builder with live readouts; randomized challenge rounds with instant explanations and session scoring.

Subjects

• Mathematics (Developer disclosed)

Skills

• 2D shapes (Developer disclosed)
• 3D shapes (Developer disclosed)
• area (Developer disclosed)
• perimeter (Developer disclosed)
• angles (Developer disclosed)
• volume (Developer disclosed)

Standards

Not verified

Practical details

No adult setup

No accounts of any kind. Progress is session-only and resets when the page is reloaded.

Pricing notes: Free to use. No ads, no in-app purchases, no paid tiers.

Developer: Cogitare Labs

Browser or device

• Modern web browser (Chrome, Safari, Firefox, or Edge) on desktop, tablet, or phone. No installation or download required.

Accountability

Material changes

No material public changes recorded.