Answer is 4.
Right angle= 90
50+ 10(4)= 90
4/5*3/7=a
a=12/35
12/35 square units
Congruent means Same Side, Same Shape.
If two angles are congruent, they are to be of the same size and same shape or a fraction of it (Dilation)
Answer:
Y=x+12
Step-by-step explanation:
Not pretty sure XD but .-.