Question

plz help me ... answer this question ..or attach sollutition of this question... I will definitely mark you brainlist.... answer question 11 to 14 .....or attach solution​ ​

Answer 1

Answer:

11. since a line is of 180°

if 1 angle is 90

let other be x

so 90+x =180

x= 90 this how you can do other two

12. This can be explained with help of diag. and I don't know how to attach answers

13. since AOC is a line

= angle AOC = 180°

60+3x =180

3x = 120

x= 40°