By the end of this lesson, you should be able toandnbsp;

• Define the terms horizontal line, line of sight
• Define angle of elevation and angle of depression and state the equality of their alternates
• Sketch accurate right-angled triangles from word problems, and calculate unknown heights or disatances using scale drawings or basic trigonometeric ratio
• Solve problems relatiing to angles of elevation and depression

This video will help a students in year 9, basic education and junior education level prepare for exams such as BECE, junior Waec e.t.c to come out with flying colors. You can study and practice more questions using the ExamGuide app The app scores you and explains all the questions at the end of the practice. You can practice a particular topic of interest with different modes like study, mock, and practice modes. It also has other features that make learning fun. It is a must-have for any serious student. Download from www.examguide.com if you don’t have it yet.andnbsp;