Geometry Circle Review Area, Circumference

Geometry Circle Review Area, Circumference

Assessment

Flashcard

Mathematics

6th 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 distance around a circle?

Back

Circumference

2.

FLASHCARD QUESTION

Front

Is the red line a radius or diameter of the circle?

Back

Diameter

3.

FLASHCARD QUESTION

Front

Find the circumference of a circle with a diameter of 28 in (use π ≈ 3.14).

Back

Circumference = π × Diameter = 3.14 × 28 in = 87.92 in (approximately 88 in)

4.

FLASHCARD QUESTION

Front

The Jones family wants to enclose their circular garden with a fence. If the radius is 62.5 ft, what is the minimum length of fencing they need to buy?

Back

Circumference = 2 × π × Radius = 2 × 3.14 × 62.5 ft = 392.5 ft

5.

FLASHCARD QUESTION

Front

What is the radius of a circle with a circumference of 62.8 ft?

Back

Radius = Circumference / (2 × π) = 62.8 ft / (2 × 3.14) = 10 ft

6.

FLASHCARD QUESTION

Front

What is the formula for the area of a circle?

Back

Area = π × Radius²

7.

FLASHCARD QUESTION

Front

Calculate the area of a circle with a radius of 7 ft (use π ≈ 3.14).

Back

Area = π × Radius² = 3.14 × (7 ft)² = 153.86 ft²

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