Answer:
B.) 21.2 units
Step-by-step explanation:
Radius = Diameter divided by 2
So
Diameter = radius multiple by 2
N= 5+12. The key word "more" indicates that addition is taking place. So the variable n is equal to five plus twelve.


or

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A line with two dots at ends (two ends) represents a line segment.
And it can be represented as :

or

Answered by : ❝ AǫᴜᴀWɪᴢ ❞