问题
选择题
若∠α=79°25′,则∠α的补角是( )
A.100°35′
B.11°35′
C.100°75′
D.101°45′
答案
∵∠α=79°25′,
∴∠α的补角=180°-79°25′=100°35′.
故选A.
若∠α=79°25′,则∠α的补角是( )
A.100°35′
B.11°35′
C.100°75′
D.101°45′
∵∠α=79°25′,
∴∠α的补角=180°-79°25′=100°35′.
故选A.