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