### MATHEMATICS MODELS

#### MODEL TO DEMONSTRATE THE FORMULA C=πd. Cat No. - SV526

Demonstration of the circumference of a circle by rolling the circular disk with guide on a scale(toothed rack) of the similar graduations. Made of Acrylic sheet.
Approx size : 384x150mm

#### SAND MODEL : CIRCLE AREA AND DEMONSTRATION OF π. Cat No. - SV550

Demonstration model of the formula R = r ² · 3.14. The model is filled with fine sand that fills the one hand the area of the circle and the area of squares. The radius of the circle corresponds to the side length of squares. Made of plastic material.
Approx size : 250x130mm

#### MODEL FOR DEMONSTRATING THE IDENTITY (a+b)2. Cat No. - SV544

This mathematical model demonstrates and proves the algebraic identity (a+b)2 with the help of different colour strips. Made of Acrylic sheet.
Approx size : 180x180mm

#### MODEL FOR DEMONSTRATING THE IDENTITY (a+b+c)2. Cat No. - SV530

This mathematical model demonstrates and proves the algebraic identity (a+b+c)2 with the help of different colour strips. Made of Acrylic sheet.
Approx size : 180x180mm

#### MODEL FOR THE DETERMINATION OF THE AREA OF A CIRCLE BY FORMING A RECTANGLE WITH CIRCLE SEGMENTS. Cat No. - SV528

Model to demonstrate perimeter and surface area of a circle. Bicoloured circular surface, dissectable into sectors which can be arranged to form a rectangle. Made of Acrylic sheet.
Approx size : 277x250mm

#### VARIABLE QUADRANGLE WITH FOUR PROTRACTORS. Cat No. - SJ175

Demonstration model for the sum of the angles in a quadrilateral with protractors at the corners to produce quadrilateral of any desired shape and to prove that the sum of all the angles of a quadrilateral is 3600. Made of Acrylic sheet.
Approx size : 390x240mm

#### MODEL FOR PYTHAGORAS THEOREM. Cat No. - SV527

The given mathematical model demonstrates Pythagoras' theorem composed of squares to find the relationship between the lengths of the sides of a right-angled triangle. Made of Acrylic sheet.
Approx size : 215x200mm

#### VARIABLE TRIANGLE WITH THREE PROTRACTORS. Cat No. - SV529

Demonstration model for the sum of the angles in a triangle with protractors at the corners. The model allows the production of triangle of different shapes and demonstrates that the sum of all the angles of a Triangle is 1800. Made of Acrylic sheet.
Approx size : 350x280mm