Question

1. ZACD is an exterior angle of SABC,
equal. If mZACD = 140°, find the
The measures of ZA and ZB are
measures of the angles ZA and ZB.​

Answer 1

Answer:

70

Step-by-step explanation:

exterior angle of third angle is equals to sum of the remaining two angles

but here those two angles are equal

so 140 =A+B

but they are equal

2A=140

A=140/2

A=70