Hello, Volume of the square pyramid= 1/3×B×h where B represent Base and h represent height
Now, substitute the information that we had from this problem into the formula. 47.25=1/3×B×7 Times 3 from both side 141.75=7B Divide B from both side B=20.25 square inches B=s^2 Square root it to get s=4.5 inches. As a result, the side length of square base is 4.5 inches. Hope it help!
