Answer:
Tangent
Explanation:
A tangent is a straight line that just touches the top of a circle.
However, a sector looks like a slice of pizza (sorry not the most mathematical explanation haha) and the diameter is a straight line through the centre on a circle.
So it would be a tangent.
Hope this helps :)
the answer is T
Answer: North America, South America, Antarctica, Europe, Africa, Asia, Australia
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