Primary school · TypeLab 2D
Tall House
Tall House: a composite plane figure made of a rectangle 4.8 × 6.4 cm, joined with a triangle with base 4.8 cm and height 4.16 cm. It is a classic primary school geometry problem (“Additive Figures”). The net area is 40.7 cm² and the total perimeter is 27.2 cm.
Certified measurements (1:1 scale)
- Net area
- 40.7 cm²
- Total perimeter
- 27.2 cm
- Bounding box
- 4.8 × 10.56 cm
- Basic shapes
- 2
Step-by-step decomposition
- 1.Baserectangle 4.8 × 6.4 cm30.72 cm²
- 2.+triangle with base 4.8 cm and height 4.16 cm9.98 cm²
Area of each basic shape before the Boolean composition.
How to find the area
Area formula: A = b·h + ½·b·h_t
Split the figure into basic shapes, find each area, add the joined parts and subtract the cut-outs: A = 30.72 + 9.98 = 40.7 cm².
Editable in PowerPoint & Office
The .PPTX file contains native DrawingML shapes: outlines, dimensions and labels stay separate objects you can recolor and edit in PowerPoint, Keynote and Google Slides. The .SVG file is pure vector art at 1:1 scale on an A4 sheet, ready for print, LaTeX and textbook layout.
