Heron's Area Formula

Autor:johncfischer, GeoGebra Materials Team

Drag the vertices of ΔABC around. Use Heron's formula to calculate the area. Click on the check box to check your answer or to get a hint. Repeat until you get 10 correct, or until you have memorized Heron's formula.

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MC #2
The Red Chair
拼砌四邊形 - 工作紙
z`]]
Forming Similar Triangles

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Derivative of f(x)=cosx
Test
demo for geo concepts
Coop_D

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Pitágoras o Teorema de Pitágoras