Question

Solve Q.3 only (find the value of x)

Answer 1

Answer:

x+70=180

x=110 degree

Step-by-step explanation:

I hope it's obvious to you

Answer 2

Answer:

x = 110°

Step-by-step explanation:

Sum of all angles of a quadrilateral = 360°

100°+70°+80°+x = 360°

250°+x = 360°

x = 360°-250°

x = 110°