A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula
where a and b are sides.
A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula
or
where a or b - side, P is the perimeter.
A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula
or
where d is diagonal, a or b - side.
A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula
where d is diagonal, α° is the angle between them in degrees.
A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula
or
where R is the radius of the circumscribed circle, a or b - side.
A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula
or
where R is the radius of the circumscribed circle, a or b - side.
Solution:
S =
a·√4·R^{2}-a^{2}
=
99·√4·76^{2}-99^{2}
=
99·√23104-9801
=
99·√13303
=
99·115.339
=
11418.561
a: The area of a rectangle with the radius of a circumscribed circle 76 and side 99 equal to 11418.561