Question

find x
in given figure​

Answer 1

Step-by-step explanation:

AOD + COD + BOC = 180 (LP)

x + 10 +2x + x + 30 = 180 (linear pair)

4x + 40 =180

4x = 180 -40

4x = 140

x = 140 ÷ 4

x = 35

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Answer 2

Answer:

Step-by-step explanation:

x + 10° + 2x + x + 30° = 360° [ straight line ]

4x + 40° = 360°

4x = 360° - 40°

4x = 320°

x = 80°

Therefore , value of x in the fig. is :

1. 80° +10° = 90°

2. 2× 80° = 160°

3. 80° + 30° = 110°