Answer:
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