Pre-Calculus Homework Solutions 161

Pre calculus homework solutions 161

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Unformatted text preview: 19. DC EB, so ADC AEB and ACD ABE because they are corresponding angles. By AA Similarity, ABE ACD. AE ¬ AD AB AC x2 x26 8(x 8x 5x ¬8 8 5 ¬(x 8)(3) ¬3x 24 ¬24 ¬8 2) 16 16 5x AB CA ST BC BS 15 10 or 35 25 Since CA ST ¬8 5 x x 2 2 or 3 3 5 AC x 2 6 8 2 6 or 9 3 5 5 20. ABD and FEC are right triangles with A F and right angles B and E. Because all right angles are congruent, ABD FEC by AA Similarity. 15 10 ¬3 8 SR ¬ CB 6(PY) 6(PY) PY SY YW SY 8 y S(0, 6) 6(SY) 6(SY) SY B(4, 4) PQ PS PQ 3 x O 65 3 AB or 3 , and 2 , TB 2 45 or 3 . 2 A...
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