Area and Perimeter of Rectangle / Parallelogram Calculator

A Rectangle is a plane figure with four straight sides and four right angles, one with unequal adjacent sides, in contrast to a square. Every angle of rectangle is a right angle (900).

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    Area of Rectangle = b*h
    Perimeter of Rectangle = 2(b) + 2(h)

    b = base, h = heigth

    Area of Parallelogram = b×h
    Perimeter of Parallelogram = 2(b) + 2(h)

    b = breadth, h = height

    A rectangle is defined as a quadrilateral where all four of its angles are right angles.

    The opposite sides are parallel and congruent.
    The diagonals bisect each other.
    The diagonals are congruent.

    rectangle is also a parallelogram.

    Find the area and perimeter of a rectangle for the breadth 4 and the height 5.

    Step 1: Find the area.
    Area = b×h = 4×5 = 20

    Step 2: Find the perimeter.
    Perimeter = 2(b) + 2(h) = 2(4) + 2(5) = 8 + 10 = 18.