N+n+2+n+4=54
3n+6=54
3n=48
n=16
16, 18, 20
Answer:
91 in²
Step-by-step explanation:
Area of tarpezoid = (sum of both bases x height) / 2
A = ((11 + 15) x 7) /2 = 91
Answer:
Make two piece of this figure
Step-by-step explanation:
then use formula of v = l × b × h
It is 1/4.
9/9=1
36/9=4
9/3611/4
Answer:
i think its 200
Step-by-step explanation:
