Respuesta :

Answer:

300 [tex]ft^{2}[/tex]

Step-by-step explanation:

area of triangle= [tex]\frac{b*h}{2}[/tex]

[tex]\frac{10*10}{2}[/tex] = 50

4 sides of the triangle

4*50=200

area of square= l*w

10*10=100

area of square+area of triangles

200+100=300

_[tex]ft^{2}[/tex]=300[tex]ft^{2}[/tex]