Step-by-step explanation:
a)
82+OCE=90°{ tangent}
0CE=8°
OCE=OEC (base angle of isosceles triangle r equal}
8+8+a=180°(sum of angle of triangle)
a=180-16
a=164°
b)d+BEC=180°
BEC=122°
BEO=BEC-OEC
b=114°
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Answer:
Neither
Step-by-step explanation:
To verify, we substitute the values in the equations:

however, the value should be 4. Hence this equation does not satisfy the co-ordinate.

however, the value should be 4. Hence this equation does not satisfy the co-ordinate.