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Answer:6

Step-by-step explanation:

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The length of RZ can be obtained using the midpoint theorem, therefore the length of RZ would be half the length of RR which is 6.

Given that :

  • Segment RR = 12 cm

  • Segment RZ =?

Since, RZ divides the segment RR into two equal portions ;

RZ = (RR ÷ 2)

RZ = (12 ÷ 2) = 6

Therefore, the length of the line RZ would be 6.

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