Question

Please help me with this I have like 10 minutes (SOLVE FOR X)

Answer 1

Both these angles are vertically opposite angles due to which their angle measures will be equal .

Which means :-

`12x + 9 =13 x + 1`

`9 = 13x + 1 - 12x`

`9 = 1x + 1`

`1x + 1 = 9`

`x + 1 = 9`

`x = 9 - 1`

`x = 8`

Which means :-

angle 12x + 9 =

= 12 × 8 + 9

= 96 + 9

= 105°

angle 13x + 1 =

= 13 × 8 + 1

= 104 + 1

= 105°

Therefore :-

angle 12x + 9 = 105° ( x = 8)

angle 13x + 1 = 105° ( x = 8 )