Mathematics in Context: Triangles and Beyond

Encycbrita, "Mathematics in Context: Triangles and Beyond"
Holt McDougal | 2006 | ISBN: 003039628X | 72 pages | PDF | 3 MB

Dear Student,
Welcome to Triangles and Beyond.
Pythagoras, a famous mathematician,
scientist, and philosopher, lived in
Greece about 2,500 years ago.
Pythagoras described a way of
constructing right angles. In this
unit, you will learn about the
Pythagorean theorem and how
you can use this theorem to find
the length of sides of right triangles.
In this unit, there are many
investigations of triangles and
quadrilaterals and their special
geometric properties.
You will study the properties of parallel lines and learn the
differences between parallelograms, rectangles, rhombuses,
and squares.
As you study this unit, look around you to see how the geometric
shapes and properties you are studying appear in everyday
objects. Does the shape of a picture change when you change
its orientation on the wall from vertical to horizontal? How are
parallel lines constructed? This unit will help you understand the
properties of shapes of objects.
Sincerely,
The Mathematics in Context Development Team

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