Real World Area and Circumference Flashcard

Real World Area and Circumference Flashcard

Assessment

Flashcard

Mathematics

6th - 8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to calculate the circumference of a circle?

Back

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

2.

FLASHCARD QUESTION

Front

If the circumference of a circle is known, how can you find the radius?

Back

Radius = Circumference / (2 × π).

3.

FLASHCARD QUESTION

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × radius.

4.

FLASHCARD QUESTION

Front

How do you calculate the area of a circle?

Back

Area = π × radius².

5.

FLASHCARD QUESTION

Front

What is the diameter of a circle if the radius is 10 cm?

Back

Diameter = 2 × 10 cm = 20 cm.

6.

FLASHCARD QUESTION

Front

If a circle has a circumference of 31.4 cm, what is its radius?

Back

Radius = 31.4 cm / (2 × π) ≈ 5 cm.

7.

FLASHCARD QUESTION

Front

What is the circumference of a circle with a diameter of 12 cm?

Back

Circumference = π × 12 cm ≈ 37.68 cm.

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