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secondary 4 | E Maths
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Date Posted: 3 years ago
Views: 420
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A) BC = EC (given)
AC = FC (given)
ACB = FCE (Vertically oppo angle)
By SAS Test, ABC congruent to FEC
B) from (a),
Angle CEF = angle CBA (by congruency)
Angle BED = 180 - angle CEF
= 180 - 28 (angle on a straight line)
= 152 deg //
AC = FC (given)
ACB = FCE (Vertically oppo angle)
By SAS Test, ABC congruent to FEC
B) from (a),
Angle CEF = angle CBA (by congruency)
Angle BED = 180 - angle CEF
= 180 - 28 (angle on a straight line)
= 152 deg //
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