ASVAB · Mental Rotation

To recognize a shape that has been rotated in an answer choice, what feature stays the same no matter how it is turned?

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Correct answer

Its size, proportions, and the relative arrangement of its features

A Its size, proportions, and the relative arrangement of its features
B Its color
C Its position on the page
D Nothing stays the same

Why this is the answer

When a shape is rotated, its size, proportions, and the relative arrangement of its features (edges, corners, notches, and connection points relative to one another) stay exactly the same — only its orientation on the page changes. So to recognize a rotated shape, look past its angle and check that its dimensions and internal arrangement still match the original. For instance, an L-shaped piece turned 90 degrees is still the same L with the same arm lengths. Focusing on these rotation-invariant features lets you correctly match a turned shape and avoid rejecting a correct answer just because it looks different.

Source: ASVAB Assembling Objects, Identifying Rotated Shapes

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About this topic: Mental Rotation

Mental rotation is the core skill of Assembling Objects: recognising a shape after it has been turned but not flipped. Answer choices that are mirror images are the standard trap — a rotated shape is never its own mirror image unless it is symmetrical. This is one of 13 Assembling Objects questions on mental rotation, each with a full explanation on a single study page.

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To recognize a shape that has been rotated in an answer choice, what feature stays the same no matter how it is turned?

Why this is the answer

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About this topic: Mental Rotation

Related questions

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