**Area And Perimeter Of A Triangle Worksheet**. Work out the triangle perimeter. Below are six versions of our grade 6 math worksheet on area of triangles, only some of which will be right triangles.

So the area of right triangle is ½ x 8 x 5 = ½ x 40 = 20 square. In the example above, the base is 8cm and the perpendicular height is 5cm. Moving on to the scalene triangles, our area of a triangle worksheets provide high school students practice in calculating the area of scalene triangles by applying the heron’s formula.