A. | B. | C. | D. |
32+12 |
10 |
12+12 |
2 |
12+22 |
5 |
12+12 |
2 |
AB |
DE |
AC |
EF |
BC |
DF |
2 |
12+22 |
5 |
12+12 |
2 |
AB |
NK |
| ||
3 |
AC |
MK |
BC |
MN |
2 | ||
|
2
| ||
5 |
22+22 |
2 |
12+22 |
5 |
AB |
PQ |
| ||
2
|
| ||
2 |
AC |
QR |
2 |
BC |
PR |
2
| ||
5 |
22+32 |
13 |
12+22 |
5 |
AB |
GH |
| ||
13 |
BC |
GL |
2
| ||
5 |
AC |
HL |
| ||
2 |
A.△ABC∽△DAC | B.△ABC∽△ADC | C.△ABC∽△DAB | D.△ABD∽△ACD |
A.3对 | B.4对 | C.5对 | D.6对 |
A.△AED与△ACB | B.△AEB与△ACD | C.△BAE与△ACE | D.△AEC与△DAC |
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