Formula for the area of a Rectangle Calculator To calculate the area of a rectangle r multiply the length A by the width B. W 2 24 2 26 2 w 2 576 676 w 2 100 w 10 The area of the rectangle is. Alternatively the formula to calculate the area of a rectangle is derived by dividing the shape into two equal size right triangles.
To find the area of a rectangle we simply need to multiply its length by its width.
Area formula The area of a rectangle is given by multiplying the width times the height. Where w is the width h is the height. Area w h For example if a rectangle is 8 m wide and 3 m high The area of the rectangle is Area w h Area 8 3. A length width a b A length width a b.