Description of the formula: In the formula, A is the side length of the square and S is the area of the square.
The area s is equal to a× a.
Square area = diagonal x diagonal ÷2
S= diagonal x diagonal ÷ 2
Square is a special parallelogram and a special rectangle. In the same plane: a quadrilateral with four equal sides and a right angle is a square. A set of rectangles with equal adjacent sides is a square. Diamonds with right angles are squares. The diagonal lines of a square are equal and bisected vertically.
It can be deduced that the side length of a square is a=√ area s.
Extended data:
The trial in the square:
1: A diamond with equal diagonal lines is a square.
2. Diamonds with right angles are squares.
3: Rectangles with diagonal lines perpendicular to each other are squares.
4. A set of rectangles with equal adjacent sides is a square.
5. A set of parallelograms with equal adjacent sides and one angle at right angles is a square.
6. A parallelogram with vertical and equal diagonals is a square.
7: Quadrilaterals with equal diagonals and bisecting each other vertically are squares.
8: A set of quadrilaterals with equal adjacent sides and three right angles is a square.
9: A quadrangle that is both a diamond and a rectangle is a square.
Baidu encyclopedia-square area calculation formula
Update 1: 2. A car is driving at a speed of 1 sec.
How far can this car go? Can you compare it with burying me?
1. Let th