ABCD is a rhombus in which the altitude from D to side AB bisects AB. Then angle A and angle B, respectively are:
A) 60 degree, 120 degree
B) 120 degree, 60 degree
C) 80 degree, 100 degree
D) 100 degree, 80 degree
ABCD is a rhombus in which the altitude from D to side AB bisects AB. Then angle A and angle B, respectively are:
A) 60 degree, 120 degree
B) 120 degree, 60 degree
C) 80 degree, 100 degree
D) 100 degree, 80 degree