Answer:900ft
Step-by-step explanation: v=l×w×h/3 =15×10×18/3=900
Excel expects a + or = sign before math calculations.
Also, for arguments of functions (such as sqrt), parentheses "()" are used. Brackets "[]" are not acceptable.
That leaves only one remaining option.
Answer:
the perimeter is 12 feet
the area is 60 feet
Step-by-step explanation
perimeter=adding all sides
area=multiplying all sides