Respuesta :

ricchad

Answer:

x = 5 units

Step-by-step explanation:

area of a triangle = 1/2 base * height

where area = 10 units²

        height = x units

          base = 4

plugin values into the formula:

10 = 1/2 * 4 * x

x = 10 (2)

        4

x = 5 units