Question

Teorema de Tales:
Resolva ☟

Answer 1

8             10 
___       _____
X              2

10x= 8.2
10x=16
x=16/10
x = 1,6

Answer 2

Pelo teorema de Tales: 
8/x = 10/2 
16 = 10x
x = 16/10
x = 1,6.