Answer:
x = 100°
Step-by-step explanation:
The measure of a chord- chord angle is half the sum of the arcs intercepted by the angle and its vertical angle, that is
x =
(71 + 129)° = 0.5 × 200° = 100°
Answer:
Number of sides of the polygon
Step-by-step explanation:
The formula
is the sum of the measures of interior angles. So that's what S stands for. The only other variable remaining is n which is the number of sides of the polygon.
There's nothing I can do to help you understand this, you just have to memorize it.
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Subtract sides 2x


Divide sides by 3


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CHECK :




So the value is correct.
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Answer:
i think its 4 × 3 × ? = 36
Step-by-step explanation:
i hope this helps
if not i am really sorry
Answer:
The decimal 2.8 is equivalent to 26/9
Hope this helps