Did you mean: resolver ejercicio de matematicas:el interior de un parque es un cuadrado cuya area es de 8,100 pies cuadrados. se reparará con grama nueva el area triangular sombreada entre la primera y la tercera base. ¿ cual es el area en pies cuadrados que se reparara?

Step-by-step explanation:

The question in English is

The interior of a park is a square whose area is 8,100 square feet. The shaded triangular area between the first and third base will be repaired with new grass.  

what is the area in square feet that will be repaired?

The picture of the question in the attached figure

we know that

The diagonal in a square divide the square into two congruent right triangles

so

The shaded triangular area is equal to divide the area of the square by 2