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engineering graphics

engineering graphics ppt. you will find all problem solution by ppt

Quadrilateral

Basic rules of Quadrilaterals

Geometry concepts

Concepts

A New way, The Area of Trapezium

A New way, The Area of Trapezium by Piyush Goel Lot of mathematicians have proved Pythagoras theorem in their own ways. If you google it you will indeed found hundred of ways. Meanwhile I was also sure that maybe one day I could find something new out of this incredible Pythagoras theorem and Recently I got something which I would like to share with you. To Prove: Deriving the equation of area of trapezium using Arcs Proof: There is a triangle ABC with sides a b and c as shown in the figure. Now, Area of ∆ BCEG = Area of ∆ BDC +Area of ⌂ DCEF + Area of ∆ EFG c^2=ac/2+ Area of ⌂ DCEF + (c-b) c/2 (2c^2– ac –c^2+ bc )/2=Area of ⌂ DCEF (c^2– ac+ bc )/2=Area of ⌂ DCEF c(c– a+ b)/2=Area of ⌂ DCEF Area of ⌂ DCEF=BC(DE+CF)/2 Copyrighted©PiyushGoel

Delhi University

The name of book is Introduction to Real Analysis by Robert G. Bartley.

formulas of Tangent and normal

Those are the formulees of tangent normal. To solve all problems by them

Rotation in geometry

Here is a small note of rotation in analytical geometry you can achieve the full concept from here I think so

Rotation with translation-geometry

Here is a basic note on rotation with translation and translation with rotation you can achieve the full concept from here of these two concepts of analytical geometry of 1st year BSc mathematics

Polar equations of straight line

Basic concept of Polar equation of straight line

Industries chapter geography

These are the notes by students of Delhi University

Industries chapter geography

These are the notes by students of Delhi University

Geometrical shapes

Geometrical shapes