Question

What is the value of x?

Enter your answer in the box.

x =
cm

Answer 1

Answer:x=5cm

Explanation:

32 and 4 are equivalent as well as x and 40

32/40=4/x therefore x=5

Answer 2

x=5 cm

Explanation:

The two triangles are similar by AA~. So, x and 4cm are corresponding side lengths, just like 4cm and 32 cm are.

Therefore, you can set up the proportion

4/32 = x/40 and solve to get x = 5