Can an good math student me solve this for points and

63.3 sq.ft.

Step-by-step explanation:

The three sides of the given triangle have lengths are 15 ft. (say, a), 20 ft. (say, b) and 9 ft. (say, c).

Now we have to calculate the triangle area.

So, the half perimeter of the triangle will be,

Now, we know the area of the triangle is given by  

sq. ft. (Answer) {Approximate}

2

step-by-step explanation:

answer: procent 54 wynosi 33,33%