Angle sum property of quadrilateral
Product Code : SCL-BLE-12459
Angle sum property of quadrilateral (SKU SCL-BLE-12459) is an acrylic maths teaching aid with four detachable, colour-coded angle pieces that students lift out of a quadrilateral and arrange around a single point to form a complete circle. This angle sum of quadrilateral model shows directly that the four interior angles add up to 360 degrees.
Specifications
The model has a 29.5 x 29.5 cm acrylic base frame of 3 mm (0.3 cm) thickness with clearly marked quadrilateral vertices, four detachable colour-coded angle sectors and a separate plastic storage box, and it is used for individual work as well as classroom demonstration.
| Product | Angle sum property of quadrilateral |
| SKU | SCL-BLE-12459 |
| Concept | Interior angles of a quadrilateral, sum 360 degrees |
| Base frame | 29.5 x 29.5 cm, acrylic |
| Acrylic thickness | 3 mm (0.3 cm) |
| Detachable pieces | 4 colour-coded angle sectors |
| Storage | Separate plastic box |
Using the angle sum of quadrilateral model
Students remove the four angle pieces from the marked vertices and place them edge to edge around one point, where they close into a full circle, which shows by observation that the interior angles of a quadrilateral total 360 degrees before the proof by diagonals is written.
- Demonstrating that the interior angles of a quadrilateral sum to 360 degrees
- Individual or group activity in the maths lab
- Linking to the triangle angle-sum property through a diagonal
- Quadrilaterals unit of Class 8 and 9 (CBSE/NCERT)
Scope of supply
The listing covers one acrylic base frame, four detachable colour-coded angle pieces and one plastic storage box. Accessories, spares and quantities are confirmed on the quotation.
Packing, MOQ and lead time
MOQ, packing and lead time depend on the order quantity and the delivery destination, and all three are confirmed on each quotation. Single classroom orders, bulk school orders and tender lots are supplied.
Frequently asked questions
What is included with the model?
One acrylic base frame of 29.5 x 29.5 cm, four detachable colour-coded angle pieces and a separate plastic storage box.
How does it show the 360 degree angle sum?
The four interior-angle pieces are removed and arranged around a single point; together they form a complete circle, which is 360 degrees.
What thickness is the acrylic?
The acrylic is 3 mm (0.3 cm) thick.
What should I send for a quotation?
Send SKU SCL-BLE-12459, the quantity and the delivery destination.
Related products
- Sum of 4 angles of quadrilateral
- Sum of 3 angles of triangle
- Properties of Parallelogram
- Exterior angle of regular polygon
More items for the school maths lab are in the maths lab kits range.
Request a quote
Send your requirement for the Angle sum property of quadrilateral (SKU SCL-BLE-12459), with quantity and delivery destination, through the JaincoLab enquiry page for a quotation.
