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

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Definitions:

Contract Rate

The agreed-upon interest rate specified in a loan or bond contract.

Market Rate

The prevailing interest rate available in the marketplace or the typical price of a good or service in the open market.

Discount

A reduction applied to the regular price of goods or services, typically offered to prompt payment or to certain customers.

Bonds Payable

Long-term liabilities representing money owed by a company to bondholders, to be repaid by a specified date.