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Dynamic proofs
- Area of Trapezoid - Midsegment
- Area of Trapezoid - Triangles
- Law of Sines - Acute Angle
- Law of Sines - Obtuse Angle
- Euclid’s theorem of leg
- Euclid’s theorem of altitude
- Proof of Pythagoras' theorem (Henry Perigal)
- Euler's formula for polyhedra
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Dynamic proofs
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1. Area of Trapezoid - Midsegment
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2. Area of Trapezoid - Triangles
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3. Law of Sines - Acute Angle
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4. Law of Sines - Obtuse Angle
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5. Euclid’s theorem of leg
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6. Euclid’s theorem of altitude
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7. Proof of Pythagoras' theorem (Henry Perigal)
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8. Euler's formula for polyhedra
Area of Trapezoid - Midsegment
Area of Trapezoid - Midsegment
See also "Area of Trapezoid - Triangles"
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