Circle arc segment

A circle with a radius r=8 cm is divided by points K and L in a ratio of 5 to 4. Calculate the sizes of the center and circumferential angles, corresponding to both arcs and the area of the larger segment.

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

planimetry

circle
area of a shape
circular sector
circular arc

basic operations and concepts

ratio

Units of physical quantities

angle

Grade of the word problem

practice for 14 year olds
high school

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