Question

find the value of x in the following figure​

Answer 1

Step-by-step explanation:

5. 90+30+19x+3=180--------(angle sum property)

120+19x+3=180

19x=180-123

19x=57

x=3

6. 7x-4+(6x-4)+ 5x+8=180------(angle sym property)

7x-4+6x-4+5x+8=180

18x=180

x=10

Answer 2

Answer:

i) :-

angle sum property = 180°

30° +90° + 19x+3° = 180°

120° +19x+3° = 180°

123° +19x = 180°

19x = 180° - 123°

19x = 57°

x = 57/19

x = 3 °

ii) :-

angle sum property = 180°

7x-4° + 6x-4° + 5x+8 = 180°

18x -8° +8° = 180°

18x = 180°

x = 180/18

x = 10°

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