Question

if AB by AC is equal to BD by DC angleB is 40 degree , angle C is 60 degree , then angle BAD is..​

Answer 1

let the angle d be x and A be x

total measure of triangle =180

then, BAD=180

x+x+40=180

2x+40=180

2x=180-40

2x=140

x=140/2

x=70