Line 113:
Line 113:
*Website interactives/ links/ / Geogebra Applets
*Website interactives/ links/ / Geogebra Applets
*Process:
*Process:
−
# The teacher can use this geogebra file to explain and clarify the "tests for congruency".
+
# The teacher can use this geogebra file to explain and clarify the "tests for congruency" by moving the sliders.
*Developmental Questions:
*Developmental Questions:
−
*Evaluation
+
# What does congruent mean ?
+
# What are congruent triangles ?
+
# Name the elements of triangles ? How may are they ?
+
# Do we have to know all six element measures to find if triangles are congruent ?
+
# How can we find out ?
+
# What are the angle measures of the two triangles ?
+
# What measures are their sides ?
+
# On what basis are we here knowing that the two triangles are congruent ?
+
# What can this postulate be called ?
+
# Recall the term postulate ?
+
# In how many ways can we prove that the triangles are congruent ?
+
*Evaluation:
+
# List the congruency postulates.
*Question Corner:
*Question Corner:
# Why SSA and AAA doesn't work ?
# Why SSA and AAA doesn't work ?