Image caption, An isosceles triangle has two sides that are equal in length. Isosceles means equal legs. The ‘legs’ are the two equal sides. The third side is called the base, even when the ...

divide the sum of interior angles in a triangle by 3 In an isosceles triangle, two of the sides are equal. This means two of the angles are equal. These are the base angles. The base angles are ...

and equal sides. You'll be using Sketch 1 of this file which has three different types of triangles - scalene, isosceles, equilateral. Each triangle type has a different colour (pink for scalene, red ...

You may hear students say words like ‘paralyzed’ triangle for isosceles and equilateral triangles after ... equal angles, and equal sides. You'll be using Sketches 5 and 6 of this file to explore ...