Formula Sheet On Mensuration
2D MENSURATION -
Mensuration is the section of mathematics that deals with the calculation of length, area and volume. In these notes, we will discuss about the areas and perimeters of two-dimensional figures.
Area: The area of any plane figure is the amount of surface enclosed within its boundary lines. It is expressed in square units e.g., square meter, square centimetre, square inch, etc.
Perimeter: The perimeter of a plane figure is the total length of the sides enclosing the figure.
TRIANGLES
Area of Δ: The area of a triangle is represented by the symbol Δ. For a triangle ABC the three sides are represented by a, b and c and the angles opposite to these sides are represented by A, B and C respectively, as shown in the figure:
The formulas for areas and perimeters of various plane figures.
(i) For any triangle in general,
QUADRILATERALS
RECTANGLES
SQUARE
CIRCLE
Note: To read and download the complete Formula Sheet on Mensuration, check out the link below.
Download PDF for Formula Sheets: Mensuration
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