21 square feet
21
A rectangular spacemeasuring 3 ft by 4 ft has an area of 3 x 4 = 12 ft2
63 cm2
7 x 3 ie 21 sqyds
There are 3 feet in one yard. Therefore, 7 feet is equal to 7/3 = 2.3 recurring (that is, 2.3333...) yards.
35 square feet
21
The lengths of the sides of a shape with more than 3 sides does not provide enough information to determine its area.
Area of a parallelogram is base*height 15*7=105 105 square centimeters
If it's a rectangle, then the area = (12 x 7) = 84 square feet = 9 and 1/3 square yards
188.5 square feet.
7
A rectangular spacemeasuring 3 ft by 4 ft has an area of 3 x 4 = 12 ft2
63 cm2
7 x 3 ie 21 sqyds
Well, honey, to find the area of a rectangle, you just multiply the length by the width. So for a rectangle that's 7 cm long and 3 cm wide, the area would be 21 square centimeters. It's as simple as that, darling.
7 * 2 = 14Fourteen square units