Question

Find the m Exterior angle of triangle

Answer 1

60 degrees

Explanation:

ebd + dbc = 180 because they make a straight line

120 + dbc = 180

dbc = 60

the three angles in a triangle always add up to 180 degrees

bcd + dbc + cdb = 180

60 + 60 + cdb = 180

120 + cdb = 180

cdb = 60