Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.
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Transcript of Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.
![Page 1: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/1.jpg)
Isosceles Triangle Step 1
Fold top left
corner until
top edge line
up along long
edge
![Page 2: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/2.jpg)
Fold left
edge of
rectangle
to fit along
the sloping
edge.
Isosceles Triangle Step 2
![Page 3: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/3.jpg)
Equilateral Triangle Step 1
Fold in half
lengthway
s and then
open out
again
![Page 4: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/4.jpg)
Equilateral Triangle Step 2
Hold bottom right
corner;Fold bottom left corner to centre crease
![Page 5: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/5.jpg)
Equilateral Triangle Step 3
Fold the
upper part so
that the left
edge lies
along the
sloping edge
![Page 6: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/6.jpg)
Equilateral Triangle Step 4
Fold
small
triangle
over to
line up
with edge
![Page 7: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/7.jpg)
f old top lef t corner until ‘top’ edge
lines up along right hand ‘long’ edge
Kite Step 1
![Page 8: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/8.jpg)
f old bottom lef t corner onto the bottom of the triangle on the
right edge
Kite Step 2
![Page 9: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/9.jpg)
f old lower right corner to the point shown
(edges should line up)
Kite Step 3
![Page 10: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/10.jpg)
fl ip over and turn
round
Kite Step 4
![Page 11: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/11.jpg)
f old in half , then
in half again, and
unfold
Rhombus Step 1
![Page 12: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/12.jpg)
hold middle
right-hand point and fold the
bottom right-hand corner to the quarter line (stretching to
middle right-hand point)
repeat for the
top right-hand
corner
Rhombus Step 2
![Page 13: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/13.jpg)
f old over ‘edge-to-edge’
(top fi rst;
then bottom)
Rhombus Step 3
![Page 14: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/14.jpg)
fl ip over and turn round
Rhombus Step 4
![Page 15: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/15.jpg)
Square RectangleRhombus
Kite ParallelogramTrapezium
Quadrilateral Poster
![Page 16: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/16.jpg)
Parallelogram
Square Kite
Trapezium
Rectangle
Rhombus
![Page 17: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/17.jpg)
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
![Page 18: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/18.jpg)
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
![Page 19: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/19.jpg)
![Page 20: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/20.jpg)
![Page 21: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/21.jpg)
![Page 22: Isosceles TriangleStep 1 Fold top left corner until top edge line up along long edge.](https://reader035.fdocuments.us/reader035/viewer/2022081603/56649ea95503460f94bae089/html5/thumbnails/22.jpg)