Isosceles Triangle Step 1 - PowerPoint PPT Presentation

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Isosceles Triangle Step 1

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  1. Isosceles Triangle Step 1 Fold top left corner until top edge line up along long edge

  2. Isosceles Triangle Step 2 Fold left edge of rectangle to fit along the sloping edge.

  3. Equilateral Triangle Step 1 Fold in half lengthways and then open out again

  4. Equilateral Triangle Step 2 Hold bottom right corner; Fold bottom left corner to centre crease

  5. Equilateral Triangle Step 3 Fold the upper part so that the left edge lies along the sloping edge

  6. Equilateral Triangle Step 4 Fold small triangle over to line up with edge

  7. Kite Step 1

  8. Kite Step 2

  9. Kite Step 3

  10. Kite Step 4

  11. Rhombus Step 1

  12. Rhombus Step 2

  13. Rhombus Step 3

  14. Rhombus Step 4

  15. Quadrilateral Poster Square Rectangle Rhombus  Kite Parallelogram Trapezium

  16. Parallelogram Rectangle Trapezium Square Kite Rhombus

  17. 4 equal sides 4 right angles 4 right angles diagonals bisect each diagonals bisect each other at right angles other at right angles diagonals are equal diagonals are equal 4 lines of symmetry opposite sides are parallel opposite sides are parallel opposite sides are parallel

  18. rotational symmetry order 4 angles add up to 3600 rotational symmetry order 2 angles add up to 3600 angles add up to 3600 angles add up to 3600 angles add up to 3600 opposite sides are parallel 2 pairs of equal sides opposite sides are equal 2 pairs of equal sides opposite sides are equal and parallel 2 pairs of equal sides