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GeoGebra
PMC 2012-13 Q6
Author:
Arthur Lee
題目六
移動紅點可四個三角形砌成一個正五邊形。假設藍色的三角形面積是4.58 cm2，而啡色的三角形面積是2.83 cm2。求 (a) 黃色三角形的面積。 (b) 綠色三角形的面積。
New Resources
Activity 1 Cross-Sections
Day 1 - Analytic Geometry Will W
Pentominoes Transformations
Squaring the circle... 12-16
Squaring the circle... 4-12-16
Discover Resources
Pythagorean Theorem by Tessellation #35 Tiling
v2 Fresnel Mirror Parabolic Reflector For Solar Energy
Cable attached to beam.
parallel lines conjectures
Incenter-Nathan Horn
Discover Topics
Percentages
Isosceles Triangles
Linear Programming or Linear Optimization
Bar Chart or Bar Graph
Symmetry
