Circles Spiral Review

Circles Spiral Review

Assessment

Flashcard

Mathematics

7th 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 diameter of a circle?

Back

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

2.

FLASHCARD QUESTION

Front

How do you calculate the circumference of a circle?

Back

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

3.

FLASHCARD QUESTION

Front

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

Back

The diameter is 14 cm (diameter = 2 × radius).

4.

FLASHCARD QUESTION

Front

What is the relationship between diameter and radius?

Back

The diameter is twice the length of the radius.

5.

FLASHCARD QUESTION

Front

How do you find the area of a circle?

Back

Area = π × radius².

6.

FLASHCARD QUESTION

Front

What is the circumference of a circle with a diameter of 10 cm?

Back

Circumference = π × 10 cm ≈ 31.42 cm.

7.

FLASHCARD QUESTION

Front

If a bicycle wheel has a diameter of 70 cm, how far does it travel in one revolution?

Back

It travels approximately 220 cm (Circumference = π × 70 cm).

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