Mathematics
Junior High
Solved
求解謝謝~~
啊啊啊好多呀ㅠㅠ
33. 如圖,口ABCD中,P為內部之一點,過P分別作AB、AD的平行線交平行四邊形ABCD
於E、F、G、H四點。若口AHPE面積為4cm²,PFCG 面積為6cm²,則△PBD面積為多少
b G
cm²?
D
E
P
4
B
A
H
35. 如圖,DABCD面積為70cm²,AE:ED=2:1,BF:FC=1:1,AG:GH: HC=
14:6:15,則△EGH 面積為多少cm²?
Ja
E
a
A
D
34 h = 70
10
35×H-90
B
F
XH=2
30
H
A
a
D
b
m
n
36. 如圖,ABCD 為平行四邊形。若AD=a,AB=b, AC=m, BD=n,
請說明m²+n²=2(a²+b²)。
66
B
C
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完全沒想到可以直接假設面積耶😆