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Special right triangles Teacher Resources
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In this special triangles worksheet, students determine the areas of special triangles and regular polygons. This three-page worksheet contains examples, explanations, and 16 problems. Answers are provided on the last page.
In this geometry instructional activity, 10th graders use right triangle trigonometry to solve problems involving 45â—¦-45â—¦-90â—¦ triangles. The three page instructional activity contains twenty problems.
Students derive the six trigonometric ratios. In this trigonometry lesson, students use trigonometric properties to find the missing angles of triangles.
In this triangles worksheet, learners find the missing length or the perimeter of triangles when given the altitude and the degrees of each angle. Each of the five multiple choice problems features a hint button to assist students. Problems are selected at random from a large problem bank allowing for a new set of problems each time the worksheet is accessed. The worksheet is self-scoring.
Students explore geometry by completing worksheets in class. In this angles lesson, students identify the difference between a right angle, obtuse angle and acute angle. Students practice finding the sine, cosine and tangent ratios of triangles on a math worksheet.
Students construct right triangles using a protractor and ruler. In this geometry lesson plan, students identify the different relationship between legs and hypotenuse of a triangle. They identify the relationship of angles in special right triangles.
Students view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Students use pegboards and string to create more isosceles right triangles. They listen as the teacher explains the Pythagorean Theorem.
Learners investigate the essential concepts of how lenses work to magnify vision, and then build simple telescopes to demonstrate their understanding. They write a description of how their telescope could be improved and how it works.
Young scholars draw and label right triangles. In this right triangle lesson, students use Cabri Jr. technology to draw and label right triangles. They create other special right triangles and identify the length of the hypotenuse and each leg. Young scholars explore the ratios to determine how the hypotenuse and how the legs are related.
In this geometry worksheet, 10th graders review the vocabulary associated with the special segments of a triangle and the associated points of concurrency and solve problems in which they find the indicated missing angle or segment. The nine page worksheet contains forty-six questions. Answers are not included.