Nov 24, 2020 · Area (A) = l • w Begin with the formula for a rectangle’s area, which is multiplying length times width. Area (A) = 8 • 3 Now substitute 8 for length and 3 for width. The answer is: Area (A) = 24 cm 2. We must include the units, so in this case, square centimeters (cm). Mar 12, 2011 · A square is the rectangle that will have the smallest perimeter (see how I figured that below), so L = W. 2A = L^2. L = √2A cm. W = √2A cm. Area = 2A cm^2. Perimeter = 4√2A cm. A rectangle with the...
If one side of a square is doubled in length and the adjacent side is decreased by two centimeters, the area of the resulting rectangle is 96 square centimeters larger than that of the original square. Find the dimensions of the rectangle. I'm starting from a square with sides of some unknown length. The sides of the rectangle are defined in ... a. rectangle b. rhombus c. square d. none of these. 9. The area of a right angled triangle is: a. base x perpendicular b. 2 x base x hypotenuse c. d. none of these. 10. The area of a rhombus is 98 cm2 and its perimeter is 28 cm its altitude is: a. 3.5cm b. 14 cm c.7cm d. 10cm. 11.
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