Geometry and Measure

Worked examples (5)

• 1Finding a missing angle on a straight line
• 2Interior angle sum of a polygon
• 3Finding an angle using parallel-line rules
• 4One interior angle of a regular polygon
• 5Finding the number of sides from an angle

Worked examples (5)

• 1Naming a polygon by its number of sides
• 2Interior angle sum of a hexagon
• 3One interior angle of a regular octagon
• 4Finding a missing length in similar triangles
• 5Finding sides from a regular polygon's interior angle

Worked examples (5)

• 1Finding speed from distance and time
• 2Finding distance from speed and time
• 3Reading speed from a distance-time graph
• 4Average speed for a multi-stage journey
• 5Converting km/h to m/s

Worked examples (5)

• 1Plotting a coordinate point
• 2Translating a shape by a vector
• 3Reflecting a shape in the $y$-axis
• 4Rotating a shape about the origin
• 5Enlarging a shape by a scale factor

Worked examples (5)

• 1Converting a length to metres
• 2Converting a mass to kilograms
• 3Converting an area in m² to cm²
• 4Finding a speed in km/h
• 5Converting a volume in m³ to litres

Worked examples (5)

• 1Area of a triangle
• 2Area of a parallelogram
• 3Area of a trapezium
• 4Area of a circle from its diameter
• 5Compound shape — splitting an L-shape

Worked examples (5)

• 1Perimeter of a rectangle
• 2Side length of a regular polygon
• 3Perimeter of an L-shape
• 4Circumference of a circle
• 5Perimeter of a semicircle

Worked examples (5)

• 1Volume of a cuboid
• 2Surface area of a cube
• 3Volume of a triangular prism
• 4Volume of a cylinder
• 5Finding a missing length from the volume