Plastic demonstration board, size 480mm×250mm×10mm. Can be used to deduce the formular of the area of a circle and the ratio of the circumference of a circle. The circular area demostrotar is consisting of 15 sectors (each sector is equal to 1/16 of the cylinder volume)and 2 sectors (each sector is equal to 1/32 of the cylinder volume). Circle dia. 200mm. The demonstrator of the ratio of the circumference of a circle is also plastic, dia. 100mm. printed with starting point of scrolling. toothlike round sides. one ruler with graduation is printed on the board, one side is toothlike. The numbers of the tooth on the ruler is same with the numbers o f the tooth on the circular.

Maths Teaching Kit School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Circular Areas and Diameter Demonstrator Maths Teaching Kit used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Maths Teaching Kits for Engineering Teaching Lab in Universities