Question

pls help. how do i do this?

Answer 1

Answer:

40

Step-by-step explanation:

X+77+63=180. (sum of opposite angle of cyclic quad is180)

X=40

Answer 2

Answer:

Sum of opposite angles are 180° in cyclic quadrilateral

Therefore,

x+77°+63°=180°

=>x+140°=180°

=>x=180°-140°

=40°