What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it. In this case use the length 8 cm, and the ...

Break from traditional animal piñata shapes with a modern, geometric design. While simple cardboard triangles come together in a flash to form a gem-like piñata, be prepared to spend a little more ...

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