| 1 |
| 2 |
则AB×BQ=10,BQ=
| 10 |
| AB |
QC=BC-
| 10 |
| AB |
S△APD=AD×PD×
| 1 |
| 2 |
则AD×PD=14,PD=
| 14 |
| AD |
| 14 |
| AD |
所以S△PQC=
| 1 |
| 2 |
| 10 |
| AB |
| 14 |
| AD |
=
| 1 |
| 2 |
| 10 |
| DC |
| 14 |
| AD |
=
| 1 |
| 2 |
| 140 |
| DC×AD |
=
| 1 |
| 2 |
| 140 |
| 35 |
=
| 1 |
| 2 |
=
| 1 |
| 2 |
=7.5(平方厘米);
S△AQP=35-5-7-7.5
=30-14.5
=15.5(平方厘米);
答:中间三角形AQP的面积是15.5平方厘米.

| 1 |
| 2 |
| 10 |
| AB |
| 10 |
| AB |
| 1 |
| 2 |
| 14 |
| AD |
| 14 |
| AD |
| 1 |
| 2 |
| 10 |
| AB |
| 14 |
| AD |
| 1 |
| 2 |
| 10 |
| DC |
| 14 |
| AD |
| 1 |
| 2 |
| 140 |
| DC×AD |
| 1 |
| 2 |
| 140 |
| 35 |
| 1 |
| 2 |
| 1 |
| 2 |