(OL) Circles and Tangent Lines

(OL) Circles and Tangent Lines

Assessment

Flashcard

Mathematics

9th - 11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the radius of a circle?

Back

The radius of a circle is the measurement from the center of a circle to an edge of the circle.

2.

FLASHCARD QUESTION

Front

What is a tangent line?

Back

A tangent line is a straight line that touches a circle at exactly one point.

3.

FLASHCARD QUESTION

Front

What is the diameter of a circle?

Back

The diameter of a circle is the measurement from one edge of the circle to another edge through the center.

4.

FLASHCARD QUESTION

Front

If the radius of a circle is 3, what is the diameter?

Back

The diameter is 6, since the diameter is twice the radius.

5.

FLASHCARD QUESTION

Front

What is the relationship between radius and diameter?

Back

The diameter is twice the length of the radius.

6.

FLASHCARD QUESTION

Front

How do you find the circumference of a circle?

Back

The circumference can be found using the formula C = 2πr, where r is the radius.

7.

FLASHCARD QUESTION

Front

What is the formula for the area of a circle?

Back

The area of a circle is given by the formula A = πr², where r is the radius.

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