A=1/2B=1/3C
B=2A,C=3A
A+B+C=180°
A+2A+3A=180°
A=30°
B=2A=60°
C=3A=90°
设斜边=c
则a=c/2
b=√(c^2-a^2) = √3/2c
a:b:c = 1/2:√3/2:1 = 1:√3:2
A=1/2B=1/3C
B=2A,C=3A
A+B+C=180°
A+2A+3A=180°
A=30°
B=2A=60°
C=3A=90°
设斜边=c
则a=c/2
b=√(c^2-a^2) = √3/2c
a:b:c = 1/2:√3/2:1 = 1:√3:2