Circumference and Area

Circumference and Area

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of circumference?

Back

The measurement around the circle.

2.

FLASHCARD QUESTION

Front

What is the formula for calculating the circumference of a circle?

Back

Circumference = 2 × π × radius or Circumference = π × diameter.

3.

FLASHCARD QUESTION

Front

What is the definition of radius?

Back

The distance from the center of the circle to any point on its edge.

4.

FLASHCARD QUESTION

Front

What is the definition of diameter?

Back

The distance across the circle through its center, equal to twice the radius.

5.

FLASHCARD QUESTION

Front

How do you calculate the area of a circle?

Back

Area = π × radius².

6.

FLASHCARD QUESTION

Front

What is the approximate value of π (pi)?

Back

Approximately 3.14.

7.

FLASHCARD QUESTION

Front

If the radius of a circle is 7 cm, what is its area?

Back

Area = π × (7 cm)² = 153.86 cm².

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