4x + 2o = 90o
4x = 90o – 2o
4x = 88o
x = 88o/4
x = 22o
c.(3x + 5)o = 3 . 22o + 5o
= 66o + 5o
= 71o
(x – 3)o = 22o – 3o
= 19o
4x + 2o = 90o
4x = 90o – 2o
4x = 88o
x = 88o/4
x = 22o
c.(3x + 5)o = 3 . 22o + 5o
= 66o + 5o
= 71o
(x – 3)o = 22o – 3o
= 19o
Editor: Rian Ade Maulana