Question

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Answer 1

What's 20 / 10?

What's 17 / 8.5?

What's 8 / 4?

@Rainbow_dashie

Answer 2

Look at the small triangle. All the sides are multiplied to 2 to get the sides of the bigger one, so which one do you think?

Answer 3

Can you divide those?

Answer 4

They all make 2

Answer 5

Exactly. So what do you think is the answer?

Answer 6

Yes.

Answer 7

Yep, so that means they're similar.

Answer 8

And what's the scale factor?

Answer 9

The scale factor is what all of them equaled..2.

Answer 10

So what's your answer? @Rainbow_dashie

Answer 11

B?

Answer 12

Yep!