Question

The length of the boundary of a circle is known as a __________

Answer 1

Answer:

$\huge\mathcal{\colorbox{orange}{circumference}}$

The length of the boundary of a circle is known as a Circumference .

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

circumference

The total length of the boundary of a circle is equal to its perimeter. Now, we know that the perimeter of a circle is known as its diameter. Thus, the total length of the boundary of a circle is called its circumference.