Answer:
30
Step-by-step explanation:
let EFH = x
Let GFH = y
x + y = 90
x = 2y
Substitute: 2y + y = 90
3y = 90
y = 30
Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.
Answer:
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