{"status": "success", "data": {"description_md": "Ajay is standing at point $A$ near Pontianak, Indonesia, $0^\\circ$ latitude and $110^\\circ \\text{ E}$ longitude. Billy is standing at point $B$ near Big Baldy Mountain, Idaho, USA, $45^\\circ \\text{ N}$ latitude and $115^\\circ \\text{ W}$ longitude. Assume that Earth is a perfect sphere with center $C.$ What is the degree measure of $\\angle ACB?$\n\n$\\textbf{(A) }105 \\qquad<br>\\textbf{(B) }112\\frac{1}{2} \\qquad<br>\\textbf{(C) }120 \\qquad<br>\\textbf{(D) }135 \\qquad<br>\\textbf{(E) }150 \\qquad$\n___\nFull credit goes to [MAA](https://maa.org/) for authoring these problems. These problems were taken on the [AOPS](https://artofproblemsolving.com/) website.", "description_html": "<p>Ajay is standing at point  <span class=\"katex--inline\">A</span>  near Pontianak, Indonesia,  <span class=\"katex--inline\">0^\\circ</span>  latitude and  <span class=\"katex--inline\">110^\\circ \\text{ E}</span>  longitude. Billy is standing at point  <span class=\"katex--inline\">B</span>  near Big Baldy Mountain, Idaho, USA,  <span class=\"katex--inline\">45^\\circ \\text{ N}</span>  latitude and  <span class=\"katex--inline\">115^\\circ \\text{ W}</span>  longitude. Assume that Earth is a perfect sphere with center  <span class=\"katex--inline\">C.</span>  What is the degree measure of  <span class=\"katex--inline\">\\angle ACB?</span> </p>&#10;<p> <span class=\"katex--inline\">\\textbf{(A) }105 \\qquad\\textbf{(B) }112\\frac{1}{2} \\qquad\\textbf{(C) }120 \\qquad\\textbf{(D) }135 \\qquad\\textbf{(E) }150 \\qquad</span> </p>&#10;<hr><p>Full credit goes to <a href=\"https://maa.org/\">MAA</a> for authoring these problems. These problems were taken on the <a href=\"https://artofproblemsolving.com/\">AOPS</a> website.</p>", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 5, "problem_name": "2018 AMC 12B Problem 23", "can_next": true, "can_prev": true, "nxt": "/problem/18_amc12B_p24", "prev": "/problem/18_amc12B_p22"}}