What does"你姓什么” mean?
It means " What's your last name"
How can one say " How are you?" in Cantonese?
Nay zoi gunn dim a?
If the measure of angle A is twice the measure of angle B, and the sum of angle A and angle B is 120 degree. Then what is the measure of angle A and angle B？
Assume angle B is X degree, angle A is 2X degree. Because X+2X=120, therefore X=40, angle A is 80 degree, angle B is 40 degree.