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Find the m Exterior angle of triangle

Find the m Exterior angle of triangle-example-1
User Rab
by
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1 Answer

3 votes

Answer:

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

User Salal Aslam
by
4.7k points