belugalearning / tools-basis

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Geoboard: Area not calculated correctly for shapes with 0 area. #17

Open mblacker opened 11 years ago

mblacker commented 11 years ago

Reproduced in Win7 (IE, Firefox and Chrome)

Steps to reproduce: Create a right angled triangle on a square board then move the diagonal band side back to make a shape that should have no area. Area is shown > 0. Is this correct? Area of a straight line IS always shown as 0.

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