Question

Tolong dibantu gan,Besar sudut BCF?

Answer 1

3x - 48 = x + 22
-48 - 22 = x - 3x
-70 = -2x
-2x = -70
x = -70/-2
x = 35

Sudut abg
3x - 48
3(35) - 48
105 - 48 = 57
Yg ditnyakan sudut bcf
BCF = 180 - sudut abg
= 180 - 57
= 123°