Area Of Plane Figure Jawaharnagar Ldh
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- Words: 135
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Clsss 7th
Prepared By :
In Guidance of :
Prathana Rani Komal Rani Monika Rani
Smt. Balbir Kaur ( Math Lecturer )
Jaswinder Singh ( Computer Facult )
J.L.N.G.G.S.S.S JAWAHAR NAGAR LUDHIANA
What is Plane Figure : Figures which can be drawn in one plane are called plane figures. For example, triangles, quadrilaterals and circles etc. are plane figures. Areas and perimeters of plane figures only.
Triangle
Triangle
Perimeters in Units Length :- a+b+c Area in Square Unit :- ½ ch
Right Angle Triangle Perimeters in Units Length :- b+h=d Area in Square Unit :- ½ bh
Rectangle Perimeters in Units Length :- 2(a+b) Area in Square Unit :- ab
Square Perimeters in Units Length :- 4a Area in Square Unit :- a2
Circle Perimeters in Units Length :- 2Πr Area in Square Unit :-Πr2
Prepared By :
In Guidance of :
Prathana Rani Komal Rani Monika Rani
Smt. Balbir Kaur ( Math Lecturer )
Jaswinder Singh ( Computer Facult )
J.L.N.G.G.S.S.S JAWAHAR NAGAR LUDHIANA
What is Plane Figure : Figures which can be drawn in one plane are called plane figures. For example, triangles, quadrilaterals and circles etc. are plane figures. Areas and perimeters of plane figures only.
Triangle
Triangle
Perimeters in Units Length :- a+b+c Area in Square Unit :- ½ ch
Right Angle Triangle Perimeters in Units Length :- b+h=d Area in Square Unit :- ½ bh
Rectangle Perimeters in Units Length :- 2(a+b) Area in Square Unit :- ab
Square Perimeters in Units Length :- 4a Area in Square Unit :- a2
Circle Perimeters in Units Length :- 2Πr Area in Square Unit :-Πr2
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