Area 1 2 b h. Length width and height. Answer The coordinate geometry formulas for class 9 for finding the area of any given rectangle is A length width.
The length of an arc is found by forming a ratio of the arc to the whole circle then multiplying it by the formula for circumference either 2pr 2 p r or pd p d like this.
Width Area of a triangle. When finding the area of a triangle the formula area ½ base height. Since the area of the rectangle is equal to its length multiplied by its width and the area of the rectangle is given the following equation must be true. Area of a square.