mam what is this? what we are gonna use it for what?
oh a pyramid, it has triangular faces which are congruent to each other
congruent? what is that mean
todays topic was gonna be that so lets learn about congruence of triangle
If two figures have same shape and size they are called congruent figures.
congruent figures
overlapping
non-overlapping
6.3cm
SSS congruence
side-side-side
two triangle are congruent if three sides of two triangles are equal.
5.8cm
8.4cm
6.3cm
congruence of triangles
5.8cm
congruence of triangles
8.4cm
4.8 cm
Two triangles are congruent if two sides and included angle of one triangle are congruent to two sides and included angle of other triangle.
side-angle-side
60
8.7cm
SAS congruence
4.8 cm
60
8.7cm
60
ASA congruence
Two triangles are congruent if two angles and the included side of one triangle are equal to the corresponding two angles and the included side of other triangles