来自顾玉琦的问题
【400米跑道最外圈比最内圈多几米?】
400米跑道最外圈比最内圈多几米?
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2020-05-29 13:21
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柳成
标准跑道全长400米,跑道的弯道是半圆形,而且最内圈的半径是36米,每条跑道宽1.2米,现有8个跑道.分已知标准跑道全长400米,是指最内圈跑道的长度,而且知道最内圈的半径为36米,所以只需先求出最内圈跑道的两个半圆弯道的...
2020-05-29 13:22:28
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