Mathematics
Junior High
Resolved
求解
77. 如圖,梯形ABCD中,AD || BC,∠B=300
∠C=60°,已知CD=5,BC=16,求梯形
ABCD的:
D
30°
6000
B
C
(1)兩腰中點的連線段長為
(2)周長為
0
ATS LLINE
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