Which biconditional is not a good definition?
A) a whole number is odd if and only if the number is n not divisible by 2
B)and angle is straight if and only if it’s measure is 180
C)a whole number is even if and only if it is divisible by 2
D)a ray is a bisector of an angle if and only if it splits the angle into two angles

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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answer: the answer is ann

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