An isosceles triangle is characterized by the following:

Definition of the isosceles triangle

• When a triangle has exactly 2 angles of the same size, called the isosceles.
• When a triangle has exactly 2 pages with the same size, called the isosceles.

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Instructions

In this guide -button to konstuere the sides of the triangle, but you can make it a little faster (point 5-7 can be skipped) using “Polygon” -button.

1. Press “line segment between two points” -button.
2. Set aside the bottom side of the triangle.
3. Press “bisector” -button.
4. Press the bar. (Now constructed perpendicular bisector)
5. Press “line segment between two points” -button.
6. Press A and then somewhere on the perpendicular bisector. (Now constructed point C)
7. Press B and then point C.
8. Press -button. (shortcut Escape)
9. Right-click on the perpendicular bisector and select “Show object” (This hides the).
   
10. Choose “Angle” -button.
11. Press points in the following order A – C – B
12. Press points in the following sequence C – B – A
13. Touch points in the following order B – A – C
14. Choose “Length” -button.
15. Press all 3 sides of the triangle.
16. If you want, the triangle is filled, then pres the polygon -button and press all three points the triangle and end with the first point, As you press. Example A – B – C – A.
17. Press -button. (shortcut Escape)
18. Try pulling the point C and see, what happens.