Click to see a step-by-step slideshow. STEP 1: This is what to do when you know the length of 1 side and the 2 angles at each end of it: here 8 cm, 40° and 50°. Draw an 8 cm line using a pencil and ...

Use a ruler, protractor and a pair of compasses to construct a triangle accurately. After the triangle has been constructed, leave the construction lines visible so each stage of the process is shown ...

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' ...