Question

Find the value of x.
A) 27
B) 34
C) 21
D) 31

Answer 1

C

Explanation:

since both angles would be the same (z-angle shape), the angle would also be the same

3x+1

3(21)+1

63+1

64

therefore, the answer would be C

Answer 2

Answer: A) 21
Explanation:
From the given figure, we can see that angles and are vertically opposite angles.
Since, vertically opposite angles are equal, therefore we have

Hence, the value of x = 21.