The vertical cross hair of a telescope is helpful to measure vertical angles with a builders level.

Name: The vertical cross hair of a telescope is helpful to measure vertical angles with a builders level.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The vertical crosshair in a telescope is used for alignment or aiming purposes, not for measuring vertical angles. A builder's level primarily measures horizontal angles and levels, not vertical angles.

The Vertical Cross Hair of a Telescope Is Helpful to Measure