Question

find value of c and 4c

Answer 1

Hope this will help you

Answer 2

hello here is your answer
90+c+c= 180° as the sum of angles on a straight line at a point is 180

therefore, 90+2c= 180
2c= 180-90
2c= 90°
so, c= 90/2= 45°

4c= 4(45) =180°

hope it helps you!! ☺