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It is a closed 2-dimensional shaped formed by five straight lines.
A U-shaped valley, also known as a glacial trough, is a large valley with steep sides, and with a wide, flat valley floor. It is formed, as the alternative name suggests, by glacial activity in the area (i.e. it was formed by a glacier).
Armchair-shaped valleys are also known as U-shaped valleys. These valleys are typically wider and have steep, straight sides with a flat bottom. They are formed by glaciers as they move through a landscape, carving out the valley into its distinctive shape.
In geometry, the octagonal prism is the sixth in an infinite set of prisms, formed by square sides and two regular octagon caps. Pencils and kaleidoscopes are shaped like octagonal prisms.
It has 8 sides.
Yosemite Valley was formed by glaciers carving their way through the valley as they retreated. The glaciers are credited with forming the sheer cliff sides of the valley.
U-shaped valleys are considered destructive landforms because they are formed by the erosive action of glaciers. As glaciers move downhill, they carve and widen valleys, creating a U-shaped cross-section with steep sides. This erosional process transforms V-shaped valleys into U-shaped valleys over time.
SIX sides
Cirques: bowl-shaped hollows formed at the head of a glacier where snow and ice accumulate. Moraines: ridges of glacial debris, such as rocks and sediment, deposited along the sides or at the terminus of a glacier. U-shaped valleys: valleys carved by glaciers that have distinctive steep sides and flat bottoms.
Deep V-shaped valleys are commonly known as river valleys and are formed by the erosive action of flowing water over time. These valleys typically have steep sides and a narrow bottom, shaped by the continuous erosion of the river cutting through the land.
A U-shaped valley is a geological formation formed by the erosive action of a glacier. Ice moving downhill carves out a broad, U-shaped valley with steep sides and a flat bottom. These valleys are characteristic of areas that have been shaped by glacier activity.
A shape with 5 sides is a pentagon