Question

Find the value of x.
a) 21
b) 27
c) 31
d) 34

Answer 1

a) 21

Explanation:

Since, in the figure

64° = (3x+1)° [Vertically Opposite Angles]

=> (3x+1)° = 64°

=> 3x = 64° - 1° = 63°

`=> x = (63)/(3)`

=> x = 21 (Ans)

Answer 2

21 is the answer

a question arises how?? right

so, 3x+1

3×21+1

63+1

64