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Plane Geometry Help (1 Viewer)

Timothy6340

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Oct 18, 2011
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HSC
2012
1) angle ACD=48 alt angles
angle CAD=48 (base angles = issos triangle)(since AD=DC)
therefore angle ADC=84( angle sum triangle)
2) AE/BE=DE/EC=3/4
angle AED=angle BEC (VERT opp)
therefore simillar 2 sides in ration and common angle
 

Dash8

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Mar 6, 2012
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2012
1) angle ACD=48 alt angles
angle CAD=48 (base angles = issos triangle)(since AD=DC)
therefore angle ADC=84( angle sum triangle)
2) AE/BE=DE/EC=3/4
angle AED=angle BEC (VERT opp)
therefore simillar 2 sides in ration and common angle
Ah, thanks so much...can't believe i didn't see that haha.

Anyone else care to answer the other questions??
 

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