An Unusual Architectural Design Requires Triangular Ducts That Will Be

question 57

Multiple Choice

An unusual architectural design requires triangular ducts that will be painted and exposed in the room. If the cross-sectional area is an equilateral triangle of 3.6 square feet, find the length of each side. Use the rules for working with measurements. Round to the nearest tenth, if necessary.

• A) 2.9 ft
• B) 1.3 ft
• C) 6.2 ft
• D) 5.1 ft
• E) 1.8 ft

---

Definitions:

Capacitive Reactance

The measure of a capacitor's opposition to changes in voltage, affecting AC flow without dissipating energy, inversely proportional to the frequency.

Series Connection

A type of circuit configuration where components are connected end-to-end, and the current flows through one component to get to the next.

Frequency Source

A device or system component that generates a signal of a specific frequency, used in electronic circuits for timing or control purposes.

Capacitive Reactance

The opposition to the change of voltage across an element, specifically in capacitors, in AC circuits.