Introduction to triangles-What are they? Definition of sides, vertex, altitude, legs and hypotenuse? Different types? Why are bridges made of a series of triangles?
Congruence, Similarity?
Introduction to area- what are the ways to figure out area?
A=(1/2)hb, or A= sq. root of [ s(s-a)(s-b)(s-c)]: s = (1/2)(a + b + c)
Go to previous pythagorean activity- how does the area of a rectangle help solve the problem for the area of a triangle?
Perimeter, P= a + b + c
Introduction to the Pythagorean Theorem- Definition?
Lesson Suggestions for Pythagorean Activity