A Hot Air Balloon Is in the Shape of a Sphere

question 56

Multiple Choice

A hot air balloon is in the shape of a sphere. Approximately how much fabric was used to construct the balloon if its diameter is 29 ft? Round to the nearest whole number.

• A) 10,568 ft²
• B) 102,160 ft²
• C) 2642 ft²
• D) 661 ft²
• E) 5284 ft²

---

Definitions:

Social Network

An online platform or technology that facilitates the building of social relations among people who share interests, activities, backgrounds, or real-life connections.

Generative Learning

A process by which learners actively integrate new information with existing knowledge, often creating new meanings or understandings.

Computer-based Training

A form of education in which students learn by executing special training programs on a computer.

Face-to-face Interaction

Direct communication or contact between two or more people in person.