The answer to 3 feet 9 inches times 7 feet 10 inches? (3' 9" x 7' 10") is displayed below:
29.375 square feet
Here is how we calculated 3 feet 9 inches times 7 feet 10 inches to get the answer above:
First, we converted feet to inches so we are only dealing with inches.
3 feet 9 inches = 45 inches
7 feet 10 inches = 94 inches
Then, we multiplied 45 inches by 94 inches to get the total number of square inches:
45 x 94 = 4230 square inches.
Finally, we converted 4230 square inches into feet as follows.
4230/(12*12) = 29.375 square feet
Note: There are 12 inches in a foot. Thus, you multiply feet by 12 to get only inches.
Since we have both height and length in square inches, we divided by 12X12.
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