(本小题满分8分)如图,已知在半圆中,,,求的长度.-九年级数学

题目简介

(本小题满分8分)如图,已知在半圆中,,,求的长度.-九年级数学

题目详情

(本小题满分8分)
如图,已知在半圆中,,求的长度.
题型:解答题难度:中档来源:不详

答案

解:为直径,
,························································ 1分
···················· 2分

.························································································ 4分

.······································ 5分
.······································································· 6分
.··························································································· 8分

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