Area of Circles and Composite Figures

Area of Circles and Composite Figures

Assessment

Flashcard

Mathematics

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius of the circle.

2.

FLASHCARD QUESTION

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.

3.

FLASHCARD QUESTION

Front

What is the diameter of a circle?

Back

The diameter is twice the length of the radius and is the distance across the circle through its center.

4.

FLASHCARD QUESTION

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

5.

FLASHCARD QUESTION

Front

What is a composite figure?

Back

A composite figure is a shape that is made up of two or more simple shapes.

6.

FLASHCARD QUESTION

Front

How do you find the area of a composite figure?

Back

Find the area of each simple shape and then add them together.

7.

FLASHCARD QUESTION

Front

What is the area of a circle with a radius of 3 cm?

Back

Area = π(3 cm)² = 28.27 cm² (approximately).

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