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Rectangle area with sides 30,30 equal to 900

Rectangle area calculation method
Side a: Side b:

Rectangle

A rectangle is a geometric shape that has four right angles (90°) and opposite sides are equal and parallel.
Rectangle area formula Rectangle area formula Through two sides where a and b are sides.

Solution:
S = a·b
=30·30
=
900

a: Rectangle area with sides 30,30 equal to 900