Answer:
You can use the Side-Angle-Side Postulate.
Step-by-step explanation:
The Side-Angle-Side (or SAS) Postulate basically states that if two sides of two triangles and the included angle are congruent, the two triangles are congruent.
x=6
3x-3=x+9
2x=12
Hope this helps! :)
yess me to im new to this app
(0,3)
In this case the vertex is the maximum point of the parabola
vertex : (0,3)