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
91/4(w+21/2)=108 3/4
4/16
You ate 4 slice of the 16 slice pizza