x2+1 |
(8-x)2+25 |
x2+1 |
(8-x)2+25 |
x2+1 |
(8-x)2+25 |
x2+4 |
(12-x)2+9 |
62+82 |
x2+1 |
(8-x)2+25 |
AB |
AF |
BC |
EF |
1 |
6 |
x |
8 |
4 |
3 |
52+122 |
A.∠1+∠2=900°-2(∠C+∠D+∠E+∠F) | ||
B.∠1+∠2=1080°-2(∠C+∠D+∠E+∠F) | ||
C.∠1+∠2=720°-(∠C+∠D+∠E+∠F) | ||
D.∠1+∠2=360°-
|
A.3 | B.2 | C.1 | D.0 |
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