Altitudes and Orthocenter

Students, follow these steps.

You are given a triangle with the three altitudes constructed. Determine the location of the orthocenter in an acute triangle, a right triangle, and a obtuse triangle.

New Resources

Periodic Functions
alg2_05_05_01_applet_exp_2_flvs
Average Rate of Change: Graph a Function (1)
Chaotic behaviour
探究由平行線和截線所成的角

Discover Resources

etkinlik3dd
tangrams
HW 55B ALTITUDE
Q3 page 205
tangent to "stationary" point

Discover Topics

Random Experiments
Rational Numbers
Distributions
Upper and Lower Sum or Riemann Sum
Correlation