Draw the given side of the triangle using a ruler. Use a protractor to measure the given angle at the left-hand endpoint of the given side. Mark the angle and then draw a line from the endpoint ...

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...

Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of triangle and to develop students' reasoning with properties of triangle to develop students' ...