Two triangles have side lengths 3, 4, 5 and 6, _____, 10, respectively. The triangles are similar to each other. 9 7 8 6.6

Hello!

You have to find out happened between triangles

6 / 3 = 2
10 / 5 = 2

They multiplied the first triangle by 2 to get the second

Apply this to find the missing side

4 * 2 = 8

The answer is 8

Hope this helps!