Question

Please the answer
answer from notes​

Answer 1

Answer:

x=30

Step-by-step explanation:

80=x+50 external angle

x=30

Answer 2

Answer:

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Step-by-step explanation:

Angle BDA = Angle BDC ---( Linear Pair)

80 + angle BDC = 180

Therefore, Angle BDC = 100

In triangle BDC

Angle BDC + angle DCB + angle CBA = 180 ---( angle sum property)

100 + 50 + X = 180

150 + x = 180

x = 180 - 50

x = 30