Questions on Geometry: Triangles answered by real tutors!

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Question 148793: triangle ABC has P on AC, Q on AB, and angle APQ equal to the angle B. The lengths AP = 3, AQ = 4, and PC = 5 are given. Find the length AB.: triangle ABC has P on AC, Q on AB, and angle APQ equal to the angle B. The lengths AP = 3, AQ = 4, and PC = 5 are given. Find the length AB.
Answer by ankor@dixie-net.com(4503) About Me  (Show Source):
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triangle ABC has P on AC, Q on AB, and angle APQ equal to the angle B. The lengths AP = 3, AQ = 4, and PC = 5 are given. Find the length AB.
:
Two triangles ABC and APQ are similar
:
Side AC (8 units) corresponds to AQ (4 units);
Therefore: AP (3 units) corresponds AB (6 units)