jferdi2005
03.05.2021 •
Mathematics
Write an equation for the ellipse with each set of characteristics. Then
answer the question. Vertices (-2,-4), (-2, 8) Length of minor axis is 10
What is the center of the ellipse?
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Ответ:
mAB = 87°
mED = 37°
mEFA=mBCD
360°=mAB+mED+mEFA+mBCD
360=87+37+2mBCD> mBCD=[360-87-37]/2> mBCD=118°
therefore
m BCD=118°
m FA=m EFA/2> m FA=118/2> 59°
m FA=59°
m DC=m BCD/2> m DC=118/2> 59°
m DC=59°
HB=GA> HB=17
DB=2*HB> DB=2*17> DB=34
EG=GA> EG=17
the answers are
DB=34
EG=17
mBCD=118°
mFA=59°
mDC=59°