{"kind":"task","effective_mode":"full","benchmark":{"kind":"benchmark","effective_mode":"full","slug":"math","formal_name":"MATH","introduction":"MATH organises 12,500 high-school competition problems into seven subjects and five difficulty levels, each with a full worked solution. It underlies much of the later mathematics evaluation work; this catalogue imports the full test split: 5,000 problems across all seven subjects.","introduction_ja":"","introduction_en":"","category":"Category not supplied","task_count":null,"acquisition_status":"Acquisition status not supplied","official_url":"https://github.com/hendrycks/math","indexing_mode":"index","profile":{"resources":[],"task_format":"","scoring":"","metric":"","size":"","answer_access":"","license":"","citation":"","maintainer":"","released":"","why_hard":"","related":[],"history":"","construction":"","limitations":"","saturation":"","scores":[]}},"task_id":"7c434466-1f00-5a23-9b16-3c27551473b7","task_key":"prealgebra--test--7c434466-1f00-5a23-9b16-3c27551473b7","task_revision_id":"1","upstream_id":"","short_description":"Lines $m_{1}$, $m_{2}$, $l_{1}$ and $l_{2}$ are coplanar, and they are drawn…","config":"prealgebra","split":"test","body":"{\"level\":\"Level 4\",\"problem\":\"Lines $m_{1}$, $m_{2}$, $l_{1}$ and $l_{2}$ are coplanar, and they are drawn such that $l_{1}$ is parallel to $l_{2}$, and $m_{2}$ is perpendicular to $l_{2}$. If the measure of angle 1 is 50 degrees, what is the measure in degrees of angle 2 in the figure below?\\n\\n[asy]\\ndraw((-6,0)--(3.5,0),Arrows);\\ndraw((-4,3)--(2,-1.5),Arrows);\\ndraw((3,3)--(-4.5,-4.5),Arrows);\\ndraw((-4,1)--(2,-3.5),Arrows);\\nlabel(\\\"1\\\",(1.5,0),N);\\nlabel(\\\"2\\\",(-2.7,0),N);\\nlabel(\\\"$m_{2}$\\\",(3,3),NE);\\nlabel(\\\"$m_{1}$\\\",(3.5,0),E);\\nlabel(\\\"$l_{1}$\\\",(2,-1.5),E);\\nlabel(\\\"$l_{2}$\\\",(2,-3.5),E);\\n[/asy]\",\"type\":\"Prealgebra\"}","display_format":"math","language":"","answer_status":"published","assets":[],"source_url":"https://github.com/hendrycks/math","history":"initial import","indexing_mode":"index","subproblems":[],"grids":[]}