Prompt: Euclidean triangle · sum of interior angles
Math & LogicA little curiosity
Geometry · RECALLEuclidean triangle · sum of interior anglesThink it. Then flip it.
△Math & Logic
Math & Logic · Editorial deck
Geometry Essentials
Shapes, angles, area and volume
Your path through the deck
Learn it chapter by chapter.
Start with a chapter that catches your eye, or mix a few together in your round.
- 01Plane shapes and angles18 cards · ~3 min
- 02Area, volume and solid shapes7 cards · ~1 min
Taste it
Three cards to begin.
Prompt: Euclidean quadrilateral · sum of interior angles
Math & LogicA little curiosity
Geometry · RECALLEuclidean quadrilateral · sum of interior anglesThink it. Then flip it.
Prompt: Area of a rectangle
Math & LogicA little curiosity
Geometry · RECALLArea of a rectangleThink it. Then flip it.
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The questions inside.
01Euclidean triangle · sum of interior anglesRECALL
02Euclidean quadrilateral · sum of interior anglesRECALL
03Area of a rectangleRECALL
04Area of a triangleRECALL
05Circumference of a circleRECALL
06Area of a circleRECALL
07Right triangle with hypotenuse c · Pythagorean equationRECALL
08Shape with five sidesRECALL
09Triangle with three equal sidesRECALL
10Triangle with two equal sidesRECALL
11Triangle with one 90° angleRECALL
12Parallel lines in a Euclidean plane · defining relationshipRECALL
13Perpendicular lines · angle where they meetRECALL
14Diameter of a circleRECALL
15Polygon with seven sidesRECALL
16Polygon with ten sidesRECALL
17Line from a circle's centre to its edgeRECALL
18Angle greater than 90° but less than 180°RECALL
19Shape with six sidesRECALL
20Shape with eight sidesRECALL
21Volume of a rectangular prismRECALL
22Volume of a cylinderRECALL
23Number of faces on a cubeRECALL
24Number of edges on a cubeRECALL
25Surface area of a cube with side sRECALL
Ready when you are
Flip the first card.
Study at your pace, or test what stayed with you. Your local progress is saved as you go.