Question
If a pebble is dropped into a pond in the shape of an ellipse at the location of one focus, the waves will converge at the location of the other focus. If the pond has a major axis of 68 feet and a minor axis of 32 feet, how far apart are the foci?
the answer is 60 but how do i get this
the answer is 60 but how do i get this
Answers
Reiny
looks like your ellipse is a standard position kind,
a = 34 , b = 16
since c^2 = a^2 - b^2 = 34^2 - 16^ = 900
c = √900 = 30
distance between two foci = 2c = 60
a = 34 , b = 16
since c^2 = a^2 - b^2 = 34^2 - 16^ = 900
c = √900 = 30
distance between two foci = 2c = 60
del rey
thank you
your moms pool boy
we need the answers to the whole semester test
Bot
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