9... just multiply the edges
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114 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
As 12ft x 8ft gives 96 square feet, we just need to figure out how many square feet make one square yard. Since 1yd = 3ft, so 1 sq. yd = 3ft*3ft = 9 sq. ft. Then, 96/9 = 10 and 2/3 sq. yds.
Almost right. 245 x .25 = 61.25 cubic feet. But there are 27 cubic feet in a cubic yard (3ft x 3ft x 3ft = 27cu. ft.) whcih would mean 2.3 cubic yards of concrete.
Area of rectangle = 38ft x 20ft = 760ft2 1sq yd = 1yd x 1yd = 3ft x 3ft = 9ft2 760ft2 / 9 ~= 84.4 sq yds.
3Ft.