Find the Area of the Shaded Region

question 29

Multiple Choice

Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit.) ​ , ​

• A) ​16 ft²
• B) ​4 ft²
• C) 10​ ft²
• D) ​8 ft²
• E) ​20 ft²

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Definitions:

Aquatic Zone

Areas of water, either fresh or salt, that are home to a wide variety of plant and animal life, segmented into different habitats like lakes, rivers, and oceans.

Benthic Zone

The ecological region at the lowest level of a body of water including the sediment surface and some sub-surface layers.

Bathyal Zone

A marine environment zone that extends from the edge of the continental shelf down to about 4,000 meters, known for its limited light and considerable pressure.