Answer: 2 >
Step-by-step explanation:
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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A
this is an arithmetic sequence whose n th term ( explicit formula) is
=
+ (n - 1 )d
where d is the common difference and
the first term
here d = 10 - 8 = 8 - 6 = 6 - 4 = 2 and
= 4, hence
= 4 + 2(n - 1 ) = 4 + 2n - 2 = 2n + 2 → A
Answer:
c.x=2,y=-2
Step-by-step explanation:
hope this help:)