Answer:
21 inches Sq
Step-by-step explanation:
Area of triangle=1/2 * b * h
where Height= 7 in and Base = 3in + 3in= 6in
so 1/2*7*6=0.5*7*6=21
85% of 25 is 21.25
85% of 22 is 18.7
85% of 20 is 17
Hope this helps :)