If a Denotes the Area of the Sector of a Circle

question 188

Multiple Choice

If A denotes the area of the sector of a circle of radius r formed by the central angle θ, find the missing quantity. If
necessary, round the answer to two decimal places.
- $$\theta = 60 ^ { \circ } , \mathrm { A } = 100 \text { square meters, } \mathrm { r } = \text { ? }$$

• A) \(6.26 \mathrm {~m}\)
• B) \(39.25 \mathrm {~m}\)
• C) \(157 \mathrm {~m}\)
• D) \(13.82 \mathrm {~m}\)

---

Definitions:

Store Water

The process of collecting and retaining water for future use, crucial in areas with limited or seasonal rainfall.

Distillation Process

A method of separating mixtures based on differences in their volatilities in a boiling liquid mixture.

Impurities

Substances within a material that are not part of the intended composition, often affecting its properties or quality.

Net Primary Productivity

The rate at which plants in an ecosystem produce net energy or biomass after accounting for the energy used in respiration.