Question

The triangles are similar.
What is the value of x?
Enter your answer in the box.

Answer 1

Answer: 16 units

Explanation:

In similar triangles, the sides keep the same ratio, in this case 3:4:5.

Thus, because 12 is 3*4 and 20 is 5*4, x must be 4*4, or 16.

Hope it helps <3 :D