* A continent: Continents are large landmasses and can sometimes appear wedge-shaped on maps. For example, the continent of South America could be considered wedge-shaped.
* A tectonic plate: Tectonic plates are massive slabs of the Earth's crust that move around. They can have irregular shapes, and some might appear wedge-shaped on certain maps.
* A geographic region: Depending on the map projection and the area being highlighted, a region of the Earth might be depicted as a wedge. For example, a map of the Middle East might show the Arabian Peninsula as a wedge.
* A specific geographical feature: If you're looking at a map focused on a particular feature, like a mountain range or a river system, the shape of the wedge could represent that feature.
To get a more precise answer, please provide more context about the map you are looking at. For example:
* What type of map is it? (e.g., world map, continent map, regional map)
* What is the purpose of the map? (e.g., showing political boundaries, geographic features, population density)
* What is the scale of the map? (e.g., large-scale, small-scale)
With more information, I can help you identify the specific wedge-shaped portion of the Earth you are interested in.