Plz help
Find ‘x’ & ‘y’

x=20. y=15

Step-by-step explanation:

in similar triangles the sides are all in proportion. this means:

so:

x=5×4

x=20

and...

y=3×5

y=15

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.