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Trigonometry:In triangle ABC, Angle A = 39 degrees., altitude BH has a length of 11 cm, and side AC has a length of 19 cm. Determine the length of BC |
Answer» <html><body><p><strong>Answer:</strong></p><p>12 <a href="https://interviewquestions.tuteehub.com/tag/cm-919986" style="font-weight:bold;" target="_blank" title="Click to know more about CM">CM</a></p><p></p><p><strong>Step-by-step explanation:</strong></p><p>Find x and <a href="https://interviewquestions.tuteehub.com/tag/h-1014193" style="font-weight:bold;" target="_blank" title="Click to know more about H">H</a> in the right triangle below. ... The lengths of side <a href="https://interviewquestions.tuteehub.com/tag/ab-360636" style="font-weight:bold;" target="_blank" title="Click to know more about AB">AB</a> and side BC of a <a href="https://interviewquestions.tuteehub.com/tag/scalene-1195591" style="font-weight:bold;" target="_blank" title="Click to know more about SCALENE">SCALENE</a> triangle ABC are 12 cm ... solve for x and substitute HC: x = √ [ 11 <a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> + (19 - 11 / tan(39°) ) 2 ]</p><p></p></body></html> | |