Answer:
umm km / nk
Step-by-step explanation:
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140 - 9 (12) + 3
140 - 108 +3
140 - 111
= 29
We have the formula S= r * theta , where S is arc length , r is radius , and theta is central angle in radians
So AB= 4 * 45* π/180 = π units
A) neither Normal, not Binomial