Area And Perimeter Of Triangles Worksheet. The hypotenuse of an isosceles right triangle is 10 cm. To know the base and height of the triangle, let us rotate the given triangle as shown below.

= (1/2) ⋅ 21 ⋅ 8. 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. In p =23:9in a =13:43in2 2.