Answer:
A I think im fairly certain
Step-by-step explanation:
<span>the highest point; the top or apex.<span>
<span>"a line drawn from the vertex of the figure to the base"
</span></span>GEOMETRYeach angular point of a polygon, polyhedron, or other figure.</span>
It would be equal to 1 7/8
3 units
you have to use the distance formula to find the answer. it comes out as u have to square nine and nine squared is 3