摘要:如图.已知△ABC的面积
网址:http://m.1010jiajiao.com/timu_id_7848[举报]
如图,已知△ABC的面积S△ABC=1.
在图1中,若
=
=
=
,则S△A1B1C1=
;
在图2中,若
=
=
=
,则S△A2B2C2=
;
在图3中,若
=
=
=
,则S△A3B3C3=
;
按此规律,若
=
=
=
,S△A8B8C8= .
查看习题详情和答案>>
在图1中,若
AA1 |
AB |
BB1 |
BC |
CC1 |
CA |
1 |
2 |
1 |
4 |
在图2中,若
AA2 |
AB |
BB2 |
BC |
CC2 |
CA |
1 |
3 |
1 |
3 |
在图3中,若
AA3 |
AB |
BB3 |
BC |
CC3 |
CA |
1 |
4 |
7 |
16 |
按此规律,若
AA8 |
AB |
BB8 |
BC |
CC8 |
CA |
1 |
9 |
查看习题详情和答案>>