3 years ago

The triangles are similar, what is the value of x?

1 answer:

4 0

Since the triangles are similar, we can use ratios to find what x equals.

Ratios:
3x+8/4 = 25/5

The easiest way to solve ratios, in my opinion is to cross multiply.

3x+8*5 = 4*25. Simplify to get 15x + 40 = 100.

Subtract 40 on both sides. 15x = 60.

Divide 15 on both sides. x = 4.

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