An isosceles triangle has two equal sides. One or more equal number(s) of hash lines on the equal sides are drawn on the diagram. Two of the angles are equal. The equal angles are opposite the ...

There are two ways to construct a triangle using a ruler and a protractor. The first is a Side, Angle, Side (SAS) construction where two sides and the angle between them is known. The second is an ...

(typical responses: colour, thicker line segments, two are closer ... all have three sides, all pointed the same way (orientation), all have angles). 2. After the initial discussion about the static ...

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' ...