Mathematics
Junior High
想請問第二小題～
6. 如圖,梯形ABCD中,AD || BC,若AD=1.3,BC=5.2,求:
(1)AABD面積: ABCD面積= 1:4
(2)A4OB面積:ADOC面積=
°
B
A
D
O
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但他沒有說是等腰誒……