Answer:
ĉu vi scias ion, ni supozeble ne scias tion, jes
Sorry for bad handwriting, while there are other ways to do this, if you can just know how to simply find the legs from the two points it is very simple!
Verbal model: mile/inch=mile/inch
Proportion: 7/8÷3/10=x/1
Solve= 7/8*10/3=x/1
70/24=x/1
70=24x
x=35/12
The unit rate must be
Z=80
X=30
Y=70
These are the follow answers it's just supplementary angles on a straight line