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How angles are used in a periscope?

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Answer:

hard enit duno

First answer by ID1559108805. Last edit by ID1559108805. Question popularity: 1 [recommend question].

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What was the periscope used for?
In trench warfare much use was made of devices which allowed an observer to safely see across no-mans land. The periscope was one such item.The periscope was made of wood and folded into halves so as...
Why are periscopes used?
to see around corners or above walls and fences etc
What are periscopes used for?
periscopes are used for submarines and war tanks
What instrument is used to measure angles?
protractor
What instrument it used to measure an angle?
a Protractor is a circular or semi circular instrument for measuring angles and some have existed from ancient times. A half circular protractor is marked for 180 degrees and a full circle for 360...