求一道英语数学题的解答 circle has a radius of 19ft ,Find the radian measure of the central angle x that intercepts an arc of length 5ft .Do not round any intermediate computations,and round answer to the nearest tenth.

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求一道英语数学题的解答 circle has a radius of 19ft ,Find the radian measure of the central angle x that intercepts an arc of length 5ft .Do not round any intermediate computations,and round answer to the nearest tenth.
求一道英语数学题的解答 circle has a radius of 19ft ,Find the radian measure of the central angle x that intercepts an arc of length 5ft .Do not round any intermediate computations,and round answer to the nearest tenth.

求一道英语数学题的解答 circle has a radius of 19ft ,Find the radian measure of the central angle x that intercepts an arc of length 5ft .Do not round any intermediate computations,and round answer to the nearest tenth.