The Surface Area of a Paraboloid with Radius R and Depth

question 15

Multiple Choice

The surface area of a paraboloid with radius r and depth d is given by . The antenna of a radio telescope is a paraboloid measuring 89 feet across with a depth of 18 feet. Approximate (to the nearest 100 square feet) the surface area of the radio telescope.

• A)13,300 ft²
• B)7100 ft²
• C)1600 ft²
• D)25,900 ft²
• E)7600 ft²

---

Definitions:

Distribution of Wealth

The way in which the wealth of a country or community is divided among its citizens, often highlighting issues of economic equality or inequality.

Concentrated

Having a high density of a particular substance or element in a specific area or volume.

Equitably

In a fair and impartial manner, ensuring justice and equality in treatment, distribution of resources, or opportunities.

Upper-Class Elite

A segment of society that holds the highest social status, often due to wealth, ancestry, or political power.