Use the Formula for Area of a Circular Sector to Find

question 102

Multiple Choice

Use the formula for area of a circular sector to find the value of the unknown quantity: . $\theta$ = 6; r = 15.4 m

• A) A = 46.2 m²
• B) A = 711.48 m²
• C) A = 1422.96 m²
• D) A = 277.2 m²

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Definitions:

Pulmonary Fibrosis

A lung disease characterized by damage and scarring of lung tissue, leading to severe breathing difficulties.

Emphysema

A long-term, progressive lung disease that primarily causes shortness of breath due to the over-inflation of the alveoli (air sacs in the lungs).

Cystic Fibrosis

A genetic disorder affecting the exocrine glands, leading to thick mucus buildup in the lungs and digestive tract.

Alveolar Air

The air present within the alveoli, the tiny air sacs in the lungs where gas exchange occurs.