Magic Ring
Product Code : JA-MLI-1803
The Magic Ring (SKU JA-MLI-1803) is a circular plastic ring with an outer diameter of 25 cm and an inner diameter of 20 cm, with 32 holes spaced round its periphery. Placed on a drawing sheet or a whiteboard, it lets students mark points on a circle through the holes and join them to test circle properties: the opposite angles of a cyclic quadrilateral, the right angle in a semicircle and the equal angles in the same segment. JaincoLab makes this circle theorems teaching aid in Ambala, India.
Specifications
The ring is made of plastic, with a 25 cm outer diameter, a 20 cm inner diameter and 32 holes spaced round its periphery for marking points.
| Product | Magic Ring |
| SKU | JA-MLI-1803 |
| Material | Plastic |
| Outer diameter | 25 cm |
| Inner diameter | 20 cm |
| Holes | 32 round the periphery |
| Use | On a drawing sheet or whiteboard |
Circle theorem activities with the magic ring
Marking points through the holes gives accurate points on a circle, so students can construct angles and quadrilaterals and measure them to confirm each circle theorem.
- Angle in a semicircle is a right angle
- Opposite angles of a cyclic quadrilateral
- Angles in the same segment are equal
- Chords, arcs and central angles
- Whiteboard demonstrations and individual work on paper
Scope of supply and ordering
The listing covers one plastic Magic Ring with 32 holes. Accessories, spares and quantities are confirmed on the quotation.
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 are the dimensions of the Magic Ring?
It has an outer diameter of 25 cm and an inner diameter of 20 cm.
How many holes does it have?
There are 32 holes round its periphery.
Which theorems can it demonstrate?
Properties of the circle including opposite angles of a cyclic quadrilateral, the angle in a semicircle and angles in the same segment.
Related products
More items for the school maths lab are in the maths lab equipment range.
Request a quote
Send your requirement for the Magic Ring (SKU JA-MLI-1803), with quantity and delivery destination, through the JaincoLab enquiry page for a quotation. Institutions and contractors buying under a tender can also reach us via the tenders page.
