Respuesta :

Answer:

4. 75

Step-by-step explanation:

To find the area of a triangle, use the formula A = 1/2*b*h. For #4 the base is 15 and the height is 10. So the area is A = 1/2*10*15 = 5*15 = 75.

The area is 75.

Repeat this process with each triangle.