Class 7th Navodita Rao Presentation
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Transcript of Class 7th Navodita Rao Presentation
WELCOME
MATHS PPT PROJECT
Name-Navodita RaoClass- VIIRoll No.-10K.V. Dabla, Jaisalmer
PERIMETER & AREA
CHAPTER- 11
ANSWERPERIMETER OF SQ.=320m4xSIDES=320SIDE= 320/4=80THEREFORE,SIDE=80,, ,, ,, ,, ,, ,,AREA=SXS =80X80=6400m2
1.FIND THE AREA OFA SQUARE PARK WHOSE PERIMETER IS 320m?
PERIMETER OF SQUARE- 4 X SIDE PERIMETER OF RECTANGLE-2 x (L+B) AREA OF SQUARE-SIDE X SIDE AREA OF RECCTANGLE-LENGTH X BREADTH AREA OF PARALLEOGRAM-BASEXHEIGHT AREA OF TRIANGLE- _1/2 basexheight CIRCUMFRENCE OF A CIRCLE- _2IIr AREA OF A CIRCLE- II R2 1CM2=10MM2 1M2=10000CM2
1HECTARE=10000M
FORMULAE
DEFINATION
OF CIRCUMFERENCE
THE DISTANCE AROUND A
CIRCULAR REGION IS
KNOWN AS ITS
CIRCUMFERENCE
S.NO.BASE HEIGHT AREA OF PARALLELOGRAM
A. 20 cm2 12.3cm 246 cm2
B. 10.3cm 15cm 154.5 cm2
C. 5.8cm 8.4cm 48.72 cm2
D. 15.6 cm 1.05c m 16.38 cm2
TABLE OF BASEXHEIGHT=AREA OF IIGM
My evererst is to go at the to
What is the circumference of a circular disc of radius 14 cm ?
Radius of circular disc (r) = 14 cm Circumference of disc =2r =2x22/7x14cm =88cm So , the circumference of the circular disc is
88cm.
Perimeter & area
THANK YOU..
THE END……
K.V. B.S.F.DABLA