# Pre-CALC

Can anyone help me with this problem step by step please...

Find the area inside the ellipse in the xy-plane determined by the given equation

x^2 y^2
____ + ___ =1
10 25

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1. the area of
x^2/a^2 + y^2/b^2 = 1 is πab
http://www.math.hmc.edu/funfacts/ffiles/10006.3.shtml

so for yours
a^2 = 10, a = √10
b^2 = 25, b = 5
area = 5√10π

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posted by Reiny
2. Reiny:
You are sincerely an angel. I so appreciate that you take the time to do this, to help people such as myself understand Math a whole lot better, and assist with problems we struggle with sometimes until 4am in the morning. Thank you, Thank you, thank you!...I do appreciate your time

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posted by Amy

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