Please help me with the attached quadrilateral problem, i have a 2nd level maths olympiad tomorrow.
Rahul Sanapala , 4 Years ago
Grade 7
7 grade maths> Please help me with the attached quadrila...
1 Answers
Aditya Gupta
Last Activity: 4 Years ago
note that angle AEB= angle DEC
angle BAE= angle CDE (bcoz by angles on the same segment theorem, angle BAC= angle CDB and angle BAC= angle BAE and angle CDB= angle CDE)
hence, by AA similarity criterion, we have
tri AEB similar to tri DEC
or AE/DE= AB/DC
2/4= AB/DC
or AB= ½ DC
KINDLY APPROVE :))
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