Transformations and Coordinates

Interactive macro-enabled MS-Excel spreadsheet. Contents: Translate a shape x units left/right & y units up/down (x, y axes). Translate a shape using a vector given in column form (x, y axes). Reflect a shape in a horizontal, vertical or diagonal line (cm² grid). Reflect a shape in the x-axis, y-axis or main diagonals (x, y axes). Rotate a shape through an angle θ about a centre C (cm² grid). Rotate a shape through an angle θ about a centre C (x, y axes). Enlarge a shape by a ±ve integer scale factor (cm² grid). Enlarge a shape by a ±ve integer scale factor (x, y axes). Enlarge a shape by a ±ve fractional scale factor (cm² grid). Enlarge a shape by a ±ve fractional scale factor (x, y axes). Identify the position of a Δ after a transformation (isometric grid). Identify an image after combining two transformations (x, y axes). Describe combining T₁ & T₂ as a single resultant Tᵣ only (x, y axes).