(本小题满分8分)如图,已知在半圆中,,,求的长度.

(本小题满分8分)如图,已知在半圆中,,,求的长度.

题型:不详难度:来源:
(本小题满分8分)
如图,已知在半圆中,,求的长度.
答案
解:为直径,
,························································ 1分
···················· 2分

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

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

举一反三
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