Question

I need this ans with working​

Answer 1

Solution.

is in the attachment.....

Answer 2

Answer:

$\frac{x}{2} + x + x + 90= 360 \\ \\ \frac{x}{2} + 2x + 90 = 360 \\ \\ \frac{x}{2} + 2x = 270 \\ \\ \frac{x + 4x}{2} = 270 \\ \\ x + 4x = 270 \times 2 \\ 5x = 270 \\ x = \frac{540}{5} = 108$

angle x/2 = 108/2= 54°