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 |