{
  "icon" : "triangle",
  "id" : "803534B1-8F49-5606-8A32-AB76EA7CF30B",
  "lines" : [
    {
      "id" : "9F56FD5D-3387-536B-9B5C-DFC5E0998288",
      "source" : "# Triangle trigonometry"
    },
    {
      "id" : "A4E6BCA1-BC7B-5DCA-B715-F7F996277D21",
      "source" : "\/\/ A 5 m ladder leans against a wall at 65° to the ground."
    },
    {
      "id" : "CBA90A53-D16A-53EA-AF11-26FAD8747A59",
      "source" : "ladder = 5 m"
    },
    {
      "id" : "7D42193A-ECB9-5FED-920D-D49D49517371",
      "source" : "ground angle = 65°"
    },
    {
      "id" : "1B90593D-D6CB-50BC-93D8-A8E3DB8C8014",
      "source" : "wall height = ladder*sind(ground angle)"
    },
    {
      "id" : "2247B114-AFDB-50EE-9331-2F9CBFFCFBA6",
      "source" : "base distance = ladder*cosd(ground angle)"
    },
    {
      "id" : "287E6386-7CE4-5066-8AFD-B126FE5CF1C6",
      "source" : ""
    },
    {
      "id" : "1A8E3613-CF67-5A33-89B4-20D8B56B5426",
      "source" : "# Angles of elevation"
    },
    {
      "id" : "B3A6E0B6-1969-5D52-BBC3-C2AF14C6B51E",
      "source" : "\/\/ The kite string is 50 m at 40 degrees."
    },
    {
      "id" : "6413E59A-B743-5139-91D3-BBD619ACA57B",
      "source" : "string = 50 m"
    },
    {
      "id" : "2CF0E9BA-3A02-5229-A9A9-4B814B9C43FE",
      "source" : "elevation = 40°"
    },
    {
      "id" : "EC2B2D76-A745-50E2-BE28-1D43473A108A",
      "source" : "kite height = string*sind(elevation)"
    },
    {
      "id" : "09AECFA3-BFA7-5465-81B4-832C5DEBA3A1",
      "source" : "ground distance = string*cosd(elevation)"
    },
    {
      "id" : "3AB0247C-2CEE-5621-892F-6718A131C0AA",
      "source" : "kite height\/ground distance == tand(elevation)"
    },
    {
      "id" : "989A1799-52CA-5EFC-BCBD-148332F442A0",
      "source" : ""
    },
    {
      "id" : "AECF09BC-95CA-54BB-9F06-32ACF1AE8533",
      "source" : "# Shadow ratios"
    },
    {
      "id" : "B0A77E2B-8D91-513E-B120-C2DF8B7856FF",
      "source" : "\/\/ A stick 1.2 m tall casts a 1.6 m shadow. How tall is the tree?"
    },
    {
      "id" : "34F0B3CD-5EA2-55BF-8F9F-33F9CFC3AA0A",
      "source" : "stick height = 1.2 m"
    },
    {
      "id" : "48BC63B5-B6EF-5952-AB10-A827A1356364",
      "source" : "stick shadow = 1.6 m"
    },
    {
      "id" : "2388B972-5FCF-52A0-8C5E-6E831B4609FA",
      "source" : "tree shadow = 5.4 m"
    },
    {
      "id" : "64FF1510-D857-5EDB-BC2A-B8FAC1C5E6DB",
      "source" : "tree height = (stick height\/stick shadow)*tree shadow"
    },
    {
      "id" : "CBE60317-3145-5A50-812A-4731E04F7DE7",
      "source" : "sun angle = atand(stick height\/stick shadow)"
    },
    {
      "id" : "D18637E3-3792-5482-9A62-82691EF5B48A",
      "source" : ""
    },
    {
      "id" : "453CE2FB-5BDC-586A-9444-512DE5AC294C",
      "source" : "# Radians and degrees"
    },
    {
      "id" : "EEF4B06D-3438-57E0-A6A5-94F0BAFD41D7",
      "source" : "π radians in degrees"
    },
    {
      "id" : "0C2616EC-7EB1-5524-BF7B-BD56CE9AB49C",
      "source" : "180° in radians"
    },
    {
      "id" : "8C88E0C9-B4BF-5033-A639-64384E854C95",
      "source" : "sin(π\/6)"
    },
    {
      "id" : "13D5FBDD-3C91-5DC5-90F9-F5DE51B66E20",
      "source" : "sin(90 degrees)"
    }
  ],
  "numberStyle" : {
    "decimal" : ".",
    "grouping" : ",",
    "secondaryGroupSize" : 3
  },
  "title" : "Triangle trigonometry"
}