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Shape and Space

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by

Emily Hughes

on 22 May 2016

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Transcript of Shape and Space

Angles
Know your angle facts!
Angle questions
Angles in polygons
To find an EXTERIOR angle of a REGULAR polygon
(all sides the same, all angles the same):
Do 360 divided by the number of sides.
Circles
Volume of prisms
Transformations
Pythagoras
Use this when you have two sides of a right-angled
triangle, and need the other side.

Geometry
Alternate
Corresponding
Opposite
Look for F, Z, X shapes
The INTERIOR angle is 180 minus the exterior angle.
You get this on the formula page at the front of the exam.
Does the shape look exactly the same,
only in a different place?
TRANSLATION
- you need






Is the shape bigger / smaller?
ENLARGEMENT
- you need





Can you find a mirror line?
REFLECTION
- you need





None of the above?
ROTATION
- you need
how far across
how far up/down
Centre
Centre of enlargment
Scale factor (how many times bigger?)
The mirror line
Centre of rotation
Angle of rotation
Direction (clockwise/anticlockwise)
Trignometry
Alternate
Corresponding
Opposite
Adds to 180
Vectors
The first mark of a vectors question can be pretty simple.
Using the
formula page
Use this formula if they ask you for the area of a NON right-angled triangle:
Bearings
Circle theorem facts
Full transcript