Question

Practi
LACD is an exterior angle of AABC.
The measures of LA and 2B are
equal. If mZACD = 140°, find the
measures of the angles A and B.​

Answer 1

Answer:

Step-by-step explanation:the measure of the ext. angle is equal to the sum of two remote interior angles

Angles A and B are the remote interior angles

X +X = 140

2x=140

X =70 degrees