At a track meet, Jacob and Daniel compete in the 220m hurdles. Daniel finishes in 3/4 of a minute. Jacob finishes with 5/12 of a
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Answer:
Step-by-step explanation:
Any point on a given parabola is equidistant from focus and directrix.
Given:
Focus of the parabola is at .
Directrix of the parabola is .
Let be any point on the parabola. Then, from the definition of a parabola,
Distance of from focus = Distance of
from directrix.
Therefore,
Squaring both sides, we get
Hence, the equation of the parabola is .
Check the picture below.
so we know the radius of the semicircle is 2 and the rectangle below it is really a 4x4 square, so let's just get their separate areas and add them up.
