These two triangles are similar. What are a and b? Note: the two figures are not drawn to scale. Please help with this!!!

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Answer:
Step-by-step explanation:
The ratio of smallest sides in the two triangles is ...
smaller / larger = 4/10
To find A and B, we write proportions involving corresponding side lengths.
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Side A in the smaller triangle is ...
A/15 = 4/10
A = (4/10)(15) = 6
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The ratio of larger to smaller is the inverse of the above ratio, so ...
B/9 = 10/4
B = (10/4)(9) = 22.5