Question

9. In the figure given below ​

Answer 1

Answer:

Angle ABD=70°

Step-by-step explanation:

20°+90°+x=180°(Sum of all angles of a triangle)

110°+x=180°

x=180°-110°

x=70°

Answer 2

Answer:

70°

Step-by-step explanation:

A=20°

B=x

D=90°

A+b+d=180°

20+x+90=180°

110+x=180°

x=180°-110°

x=70