The boundary line of the circle is called its ______________.

A. circumference
B. center
C. radius
D. chord
That's Correct!
It's Wrong!

The circumference is the distance around the outside of the circle.

So, the boundary line of the circle is called its circumference.

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Key Data

Questions
28
Grade
4
Theme
Geometric Shapes
Passing score
80%

Progress

8 Incorrect
10 Correct
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