Which of the following is not a postulate or theorem used to prove two triangles are congruent?
a) asa
b) aaa
c) ssa
d) aas

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.