ב1 עמוד 305 תרגיל 21, כולל רמזים

Author:Esther Gruenhut

ABC is an equilateral triangle. Use scroll bar to unfold problem. What is added in each stage? Do you have any suspicion regarding triangle GDC or quadrilateral BDGF? Try proving it. You can find a few hints below

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Congruent Figures
Congruent Sides & Angles in △s: Exploration
Graphing Basic and Compound Inequalities
繪畫垂直線
Right Triangle Inscribed in a Semicircle

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Polynomial Long Division in Action (up to x^4)
Circle Equation
H-Square Construction
quiz squareroot of numbers
Randomly Flip a Coin

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Ellipse
Symmetry
Integral Calculus
Hypothesis Testing
Addition