Can someone please help me I will give you brianliest and 100 points

Question

asked Aug 11, 2021 228k views

2 Answers

Chisx · Answer 1 · 2021-08-13T12:34:22+0000

Answer:

20

Explanation:

Since the triangles are similar, all the side lengths can be multiplied by a scale factor,

12/3 = 4, so the scale factor is 4, which

5 x 4 = 20, so the missing side length is 20

Venkat Prasanna · Answer 2 · 2021-08-16T13:52:14+0000

Answer:

20

Explanation:

Since the triangles are similar, we can use ratios to solve

12 ?

----- = -------

3 5

Using cross product

12*5 = 3?

60 = 3?

Divide each side by 3

60/3 = 3?/3

20 = ?

The unknown side is 20