	CCC Heep Woh College Mathematics Department Subject Website	Goto: CCCHWC

		Set as 1st page
		Add to favourities

|| 　Home　 || 　Classrooms　 || 　Information Centre　 || 　Knowledge Room　 || 　Leisure Area　 || 　Links　 || 　Gallery　 || 　Forum　 ||

Site Map for Current Domain

>> Classrooms

Self-study Materials

Dynamic Geometry

Expanded Sub-folders at Current Level

Self-study Materials

	Algebra Courses
	Geometry Courses
	Trigonometry Courses

Dynamic Geometry

Introduction

The Pythagoras' (or Pythagorean) Theorem is the statement that the sum of (the areas of) the two small squares equals (the area of) the big one.

In algebraic terms, a² + b² = c² where c is called the hypotenuse while a and b are the sides of the triangle.

Investigations

　TASK 1

Drag the red point.
Press "Define" button.
Drag five pieces to fit in the square below.

　TASK2

Drag the red point.
Press "Define" button.
Drag five pieces of quadrilaterals to fit in the square below.

　TASK 3

Drag the red point in the left figure to decide the bases of the right triangle ( lengths of a and b).
Drag the red point in the left figure to observe various patterns of dissection.

　TASK 4

The following figure shows a 3D visual proof of the Pythagoras Theorem.

Search Engines (Local / Wholesite):
Look for: in
Look for: in the whole website.

All Right ,,,,,,,Reserved. Execution Time: 46.875ms