Answer:
x = 11.49
b = 18.76
Explanation:
Use the right triangle altitude theorem.
All three triangles are similar.
x/6 = (6 + 16)/x
x²= 6 × 22
x² = 132
Use the Pythagorean theorem.
x² + b² = 22²
132 + b² = 484
b² = 352
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