A Circle Has an Area of 2

question 24

Multiple Choice

A circle has an area of 2.0 m².A second circle has double the radius of the first.The area of the second circle is ____ times that of the first.

• A)0.50
• B)2.0
• C)4.0
• D)8.0

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Definitions:

Inert Pill

A pill that contains no active ingredients, often used in medical studies as a control to test the effectiveness of treatments.

Statistically Significant

A term indicating that the result of a study or experiment is unlikely to have occurred by chance alone, suggesting a real effect or difference.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation or observation.

Desirable Feature

A trait or characteristic of a product, person, or concept that is attractive and makes it preferable.