7. In geometry, two figures or objects are
congruent if they have the same shape and
size, or if one has the same shape and size as
the mirror image of the other
Eg:1. 2.
8. The orange and green quadrilaterals are congruent;
the blue is not congruent to them. All three have the
same perimeter and area.
9. If three sides of one triangle are equal to the
three sides of another triangle , then the two
triangles are said to be congruent
10. Two triangles are congruent if two angles and
the included sides of one triangle are equal
to two angles and one included side of other
triangle
11. •Two triangles are congruent if
two sides and the included angle
of one triangle are equal to two
sides and one included angle of
other triangle
12. If in two right angles ,the hypotenuse and one
side of one triangle are equal to the
hypotenuse and one side of other triangle
then the two triangles are congruent