Answer:
Step-by-step explanation:
we can use the ratios of the sides to solve this, they are similar shapes
10/4=x/5
5(10/4) = x
12.5 =x
then
10/4 = 8 /y
y = 8*(4/10)
y = 3.2
10/5 = 15/z
z = 15*(5/10)
z = 7.5