plzz solve the problem
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X is 60° and y is 40°
Sum of adjacent angle is 180°
ECA is 60+40=100°
Sum of adjacent angle is 180°
ECA is 60+40=100°
killer2563:
where is the reflex angle ECA
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AB||CD||EF
Angle FEC+AngleECD=180
120°+AngleECD=180
ECD=60°
AngleBAC+AngleACD=180
140+AngleACD=180
Angle ACD=40°
Sum of x and y =100
reflex angle =360-100
=260
Angle FEC+AngleECD=180
120°+AngleECD=180
ECD=60°
AngleBAC+AngleACD=180
140+AngleACD=180
Angle ACD=40°
Sum of x and y =100
reflex angle =360-100
=260
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