30 × 15 = 450 square metres (450m2).
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They are: 3 inches and 5 inches respectively
The dimensions are: length = 15 inches and width = 7 inches Check: 15*7 = 105 square inches
Call the width of the rectangle x. Call the length of the rectangle x + 2. The area of the rectangle would be the length times the width. We know this is 15 square inches. Set up the equation and solve for x. (x +2)x = 15 x2 + 2x = 15 x2 + 2x - 15 = 0 Factor the quadratic equation: (x - 3)(x + 5) = 0 x = 3 or x = -5 Since length can't be negative, discard the answer -5. If x = 3, then the width is 3 and the length is x + 2 or 5. 5 x 3 = 15 which equals the area.
formula for area of a rectangle is length times width in this equation 15ft is your length and 10ft is your width so.... 15 x 10 = 150 your final answer is 150ft squared (150 feet squared)
15x9 = 135 squared feet