Answer:
... I don't know how to do this sorry :/
Step-by-step explanation:
:(((
<2=40° <11=60°
Because <1 was 140°, 2 is 40°. 40°+80°=120°
180°-120°=60°
Answer: you got to Find the focus of a parabola given its equation. If you have the equation of a parabola in vertex form , then the vertex is at and the focus is . Notice that here we are working with a parabola with a vertical axis of symmetry, so the -coordinate of the focus is the same as the -coordinate of the vertex.
Step-by-step explanation:
75 hope this helps but I’m not sure what you’re asking