Irrational means that the decimal numbers keep going on. rational means it stops. this is most likely irrational if the numbers keep going on.
xm =x+z
subtract x from each side
xm -x = z
factor out an x
x(m-1) = z
divide both sides by m-1
x = z/(m-1)
Assume that,
The two angles of one triangle are congruent to two angles of a second triangle.
To prove: The third angles of the triangles are congruent.
Since, two angles of one triangle are congruent to two angles of a second triangle.
Therefore,

Adding these two we get,

Cancelling 180 on both sides, we get

Hence, if two angles of one triangle are congruent to two angles of a second triangle, the the third angles of the triangles are congruent.
Answer:
8.9
Step-by-step explanation:
If you think of 8.9 as 8.90, then it's obvious that 8.90 (or 8.9) is greater than 8.83.