Answer: 216 in
Step-by-step explanation: I used the formula A=1/2(b1+b1)h and I filled it in by doing A=1/2(6+12)6 and then I divided the height by 1/2 and i multiplied 72 by 3 which is 216 in.
Answer:
yes by aa
Step-by-step explanation:
0 is the answer ofr 1/3m -1-1/2n when m=21 and n=12
Answer:
90°
Step-by-step explanation:
90°
Answer:
C. the point of intersection of the perpendicular bisectors
Step-by-step explanation: