A formula for finding the area of a rectangle is Alw. The area of a rectangle is the space contained within its perimeter. Area formula of a rectangle The area A of a rectangle is the product of its length l and width w.
If the height of the parallelogram is unknown to us then we can use trigonometry concept here to find its area.
To find the area of a rectangle multiply the length by the width. Area ab sin x Where a and b are the length of parallel sides and x is the angle between the sides of the parallelogram. The formula of the Area of Rectangle. If the height of the parallelogram is unknown to us then we can use trigonometry concept here to find its area.