June 26, 2019
A square has 4 equal sides and 4 right angles.
The diagonals of a square are equal, perpendicular and bisectors of their angles.
Area of a Square
The area of a square equals the square of its side.
Perimeter of a square
Calculate the area and perimeter of a square with a side of 5 cm.
P = 4 · 5 = 20 cm
A = 5² = 25 cm²
Calculate the shaded area, knowing that the outer square has a side of 6 cm and the radius of the circle is 3 cm.
Calculate the area of the square inscribed in a circle with a circumference of 18.84 cm.
Diagonal of the Square
By applying the Pythagorean theorem for one of the triangles, we obtain:
Find the length of the diagonal of a square with a side of 5 cm.