Answer:
20.4
Step-by-step explanation:
see image
The correct answer to this question is B.
Answer:
(5/2,0) and(-4,0)
Step-by-step explanation:
I hope this helps.
Answer:
simplified will be 197/3040. as a decimal it is 0.06480263157
Step-by-step explanation:
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Answer:
18
Step-by-step explanation:
180-160 = 20 which equals the exterior angle
the sum of exterior angles is 360 so 360/20 = the number of sides as there is an exterior angle for every side
360/20 = 18
