Jika A pelurus dari B dan A = 6×° + 4° dan B = 10×°,maka besar A dan B adalah…..​

Jawab:

180 = 3x+10 + 4x-5

180 = 7x+5

180 – 5 = 7x

175 = 7x

175/5 =x

25 = x

Sudut A = 3x + 10

= 3 X 25 +10

= 75 + 10

= 85

Sudut B = 4x – 5

=4 X 25 – 5

= 100 – 5

= 95