shape angle-revision-hints
DESCRIPTION
A series of 18 screens that contain diagrams about basic angle facts. Students have to annotate the screens with key results. Spelling error cTRANSCRIPT
![Page 1: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/1.jpg)
Names for angles
< 90 = 90
90 < a < 180180 < a < 360
![Page 2: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/2.jpg)
Compass points and bearings
North
East
South
West
000
090
180
270
![Page 3: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/3.jpg)
Angles at a point
![Page 4: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/4.jpg)
Angles on a line
![Page 5: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/5.jpg)
Complementary angles
![Page 6: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/6.jpg)
Opposite angles
![Page 7: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/7.jpg)
Parallel lines: Corresponding angles
![Page 8: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/8.jpg)
Parallel lines: Alternate angles
![Page 9: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/9.jpg)
Parallel lines: Allied angles
![Page 10: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/10.jpg)
Angles in a triangle
![Page 11: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/11.jpg)
Named triangles...
![Page 12: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/12.jpg)
Angles in a quadrilateral
![Page 13: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/13.jpg)
Named quadrilaterals
![Page 14: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/14.jpg)
Interior and exterior angles
Also called external and internal angles
![Page 15: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/15.jpg)
PolygonsTriangle
Rectangle
Pentagon
Hexagon
Heptagon
Octagon
Nonagon
Decagon
Irregular
Regular
![Page 16: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/16.jpg)
Exterior angles of a polygon
IrregularRegular
e = 360 n
e
Exterior angle must be factor of 360
Exterior angles add to 360
![Page 17: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/17.jpg)
Interior angles of a polygon
Total internal angle
= (n – 2) ×180
Regular
(n – 2) ×180
n i =
i e
i = 180 - e
![Page 18: Shape angle-revision-hints](https://reader031.vdocument.in/reader031/viewer/2022020306/5482c9c35806b51f058b4744/html5/thumbnails/18.jpg)
Circle angles