Magic Ring Angle in a Circle Manufacturer,Supplier and Exporter in India

Magic Ring Angle in a Circle

Product Code : ILS-MLE-10050

Indian Lab Suppliers supplies the Magic Ring Angle in a Circle (Product ID: 10050) as part of its maths lab equipment range. It is a plastic ring with holes round its edge for investigating circles, inscribed triangles and the area of a ring.

Quick Answer

The ring has an outer diameter of 25 cm and an inner diameter of 20 cm, with 32 holes round its periphery. Joining holes with thread or a pen line on a sheet shows radius, diameter and chords, and lets students draw triangles inscribed in the circle, including right-angled triangles on a diameter. Laid on paper or a whiteboard, it also gives an annulus whose area is π(12.5² – 10²) = 56.25π, about 176.7 cm².

Key Specifications

ParameterDetail
MaterialPlastic
Outer diameter25 cm
Inner diameter20 cm
Holes32, round the periphery

Where This Is Used

Used in secondary geometry and mensuration. Related: Ring of Theorem (Product ID: 10051) and Angle Property of Cyclic Quadrilateral (Product ID: 10030). Browse the full Maths Lab Equipment (general) range or related Geometry products.

Frequently Asked Questions

What are its diameters?
25 cm outside and 20 cm inside.

How many holes does it have?
32 round the periphery.

What is the area of the ring?
About 176.7 cm² (56.25π).

Related Categories

Maths Lab Equipment (general) · Geometry · Maths Lab Equipment

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Bengaluru, Karnataka 560003

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