题库搜索>问题求解PS-13115
In the figure shown, the triangle is inscribed in the semicircle. If the length of line segment AB is 8 and the length of line segment BC is 6, what is the length of arc ABC?
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角ABC是直角，所以AC=10
弧ABC=1/2* 10π=5π
1021673uqtd
忘记这是个半圆 周长要除二
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2022-08-27 15:44:45
默默
不需要用到弧度公式，周长除以二即可
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2018-05-05 05:45:17
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