Answer:

Step-by-step explanation:
We have two coordinate points and are asked to find a slope.
When finding slope, we can use the formula listed :

To understand what the variables are, you can take this :


Substitute the points :


Now substitute it into the formula :



All of them. I think. I'm not sure
Answer:
The base of the triangle is 6cm.
Step-by-step explanation:
The find the base of a triangle, use this formula.
Formula : 1/2 x b x h
<em>If you would like some more explanation, see the attached image.</em>