Clock quadrilateral angle

Calculate the magnitude of the largest inner angle and the deviation of the diagonals in the quadrilateral, whose vertices correspond to points 1, 5, 8, and 12 on the dial.

Your answer:

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You need to know the following knowledge to solve this word math problem:

geometry

inscribed angle theorem

planimetry

circle
polygon
triangle
diagonal

basic operations and concepts

maximum

Units of physical quantities

angle

Grade of the word problem

practice for 13 year olds
practice for 14 year olds

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