α |
b |
α |
b |
π |
2 |
5 |
a |
b |
a |
b |
1 |
5 |
4 |
5 |
4 |
5 |
π |
2 |
2
| ||
5 |
| ||
5 |
5 |
5 |
5 |
π |
4 |
2
| ||
5 |
| ||
5 |
π |
4 |
AB |
AC |
| ||
|
|
| ||
|
|
BC |
| ||
|
|
| ||
|
|
1 |
2 |
A.等腰非等边三角形 | B.等边三角形 |
C.三边均不相等的三角形 | D.直角三角形 |
OP |
OA |
OB |
MA |
MB |
OM |
OA |
a |
OB |
b |
OC |
c |
OH |
h |
a |
b |
c |
h |
AH |
BC |
h |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
AP |
2 |
5 |
AB |
1 |
5 |
AC |
AQ |
2 |
3 |
AB |
1 |
4 |
AC |
A.
| B.
| C.
| D.
|
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