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Question 1
Forfatter
Arthur Lee
圖中有一組藍色的線。移動紅點可改變其中一條線的角度。圖中可以出現最多幾多對互相垂直的藍線？
GeoGebra
答案：四對
Nye Materialer
Marion's Theorem
Midpoint Theorem (V2): Integer Solutions
Isosceles Right Triangle
Rovnoběžnost rovin
Angle Addition Postulate (V2) - Integer Solutions
Opdag Ressourcer
copy an angle
รููปคลี่ทรงลูกบาศ์ก
Explicit equation of a straight line
DC generator series exited - External curve u=f(i) j=i
Geometry Week 5 Day 1
Udforsk emner
Symmetri
Pythagoras or Pythagoræiske sætning
Koordinates
Differentialligninger
Lineære ligninger