Question

The triangles are similar.

What is the value of x?

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x =

Answer 1

Find the ratio between the two triangles by dividing two similar sides:

32/8 =4

The larger triangle is 4 times larger.

4x +12 = 15 x 4

4x +12 = 60

4x = 60-12

4x = 48

x = 48/4

x = 12

Answer: x = 12