Angle Sum Property of Quadrilateral Manufacturer,Supplier and Exporter in India
Product Code : EL-G-3574
Jlab Export is a leading Angle Sum Property of Quadrilateral Manufacturer,and suppliers in India
Angle Sum Property of Quadrilateral (code EL-G-3574) is a demonstration manipulative for teaching that the four angles of a quadrilateral add up to 360 degrees. It is provided with cut-outs of the angles from a quadrilateral and has a magnet at the back, so a teacher can show the result on a magnetic board where the whole class can follow it. It is made by Jain Laboratory Instruments Pvt Ltd (JLab) at its works in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Teaches | The sum of the four angles of a quadrilateral is 360 degrees |
| Pieces | Cut-outs of the angles from a quadrilateral |
| Backing | Magnet at the back, for demonstration on a magnetic board |
| Quality check | Each set is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 10 units |
| Dispatch time | Usually 7–10 working days |
| Product code | EL-G-3574 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Quadrilateral Angle Sum Model Used For?
When the four corner angles of any quadrilateral are brought together at one point, they fill the space around it with no gap and no overlap — one complete turn of 360 degrees. The angle cut-outs in this set let a teacher show exactly that on a magnetic board, and the same picture links to the reasoning students meet next: a diagonal divides the quadrilateral into two triangles, so its angle sum is twice that of a triangle. The property belongs to the work on understanding quadrilaterals in class 8 maths.
What to Specify When Ordering
- Quantity — for example one set per classroom or per maths lab.
- Companion angle models, such as the triangle angle-sum set, for the same quotation.
- Destination country and delivery terms for an export order.
Frequently Asked Questions
What does this manipulative teach?
That the four angles of a quadrilateral add up to 360 degrees.
What is it provided with?
Cut-outs of the angles from a quadrilateral, and a magnet at the back so it can be used on a magnetic board.
What information is needed for an export quotation?
Please send the number of sets, the destination country and port or city, the delivery terms you prefer (for example FOB or CIF), any packing or labelling instructions, and the tender reference if there is one.
Who manufactures the Angle Sum Property of Quadrilateral set?
JLab — Jain Laboratory Instruments Pvt Ltd — makes it at its works in Ambala, Haryana, India.
OEM Manufacturer
JLab is the trading name of Jain Laboratory Instruments Pvt Ltd, a maths lab equipment manufacturer in India, incorporated in 2017 and based on Hargolal Road, Ambala, Haryana. This quadrilateral angle set is made in JLab’s own works and not bought in from a trader, so schools, dealers and importers buy from the manufacturer, each set is looked over before packing, and repeat orders are supplied by the same works. JLab exports worldwide and ships to buyers in every region — for example South Korea in East Asia, Vanuatu in Oceania, Kazakhstan in Central Asia, Laos in Southeast Asia and DR Congo in Central Africa. Tender buyers can refer to the JLab lab tenders page.
Related Angle Models
- Angle Sum Property of Triangle — angle cut-outs from a triangle with a magnet at the back, showing that the three angles add up to 180 degrees.
- Exterior Angle of Regular Polygon — a regular polygon with extended arms and angle cut-outs showing the exterior-angle sum.
- Angle Property of Cyclic Quadrilateral — a ring-of-theorem manipulative for the opposite angles of a cyclic quadrilateral, with rubber bands and a storage box.
- Geometry Kit — seven plastic sticks with holes, joined with screws, for angles and polygons.
See the Geometry range or the full Maths Lab Equipment range.
Request a Quote
To request a quotation, click the Add To Cart enquiry button on this page or write through the contact page, listing the number of sets, the delivery location and any companion models you would like.
Last updated: 16 October 2026
