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Step by step explanation;
(i) y =80°(OPPOSITE ANGLES ARE EQUAL)
x =180-(80+50)(ANGLE SUM PROPERTY)
x=180-130
x=50
(ii) x=180-(50+60)(ANGLE SUM PROPERTY)
x=180-110
x= 70°
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Answer:
a) y= 80°
in ∆ sum of three angles 180°
50° + 80° + x= 180°
x = 180° - 130°
x=50°
b) in ∆ ABC
A+ B+C = 180°
50 ° + 60°+C= 180°
C= 180° - 110°
C= 70°
Step-by-step explanation:
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