Help me solve for A and B!

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asked Dec 11, 2019 43.2k views

1 Answer

Gezim · Answer 1 · 2019-12-14T23:39:22+0000

Here we have one large triangle with two smaller triangles drawn inside. The two smaller triangles are similar.

Thus, a/12 = 12/16, or a/12 = 3/4, or 4a=36, or a = 9.

Find b in the same way: b/20 = 9/12 (and so on).

Help me solve for A and B!

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