Question

find the measure of angle DOE​

Answer 1

Answer:

60⁰

Step-by-step explanation:

AOC= 180-30=150⁰... angles in a linear pair

AOD=30... vertically opposite angle

DOE=60⁰.... Complementary angles with AOD

Hope it helps you mate :)

Answer 2

Answer:

/_ DOE= 60°

Step-by-step explanation:

/_ Boe + /_ Doe +/_ Aod = 180°. { linear pair}

90°+ /_Doe + 30° =180°. [ /_ Aod= /_ Boc ,V.O.A]

/_ Doe= 180-120= 60°.

Answer is 60°.