Question

find the lenght of x

Answer 1

$\frac{2}{3.5} = \frac{4}{x} \\ x = \frac{4 \times 3.5}{2} = 7$

Answer 2

Answer:

x = 7

Step-by-step explanation:

The smaller and larger triangles are similar so correspond sides are in the same proportion.

therefore x / 3.5 = 4/2

x / 3.5 = 2

x = 2*3.5 = 7