Question 1

Help me..........................

Question 2

Answer:

c

hopefully this will help you

Question 3

Digram:

$\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\qbezier(2.3,0)(2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,-2.121)(0,-2.3)\qbezier(2.3,0)(2.121,-2.121)(-0,-2.3)\put(0,0){\line(1,0){2.3}}\put(0.5,0.3){\bf\large 9\ cm}\end{picture}$

Given :

$\\$

Radius of circle = 9cm
π = 314

$\\$

To find:

$\\$

Area of circle

$\\$

Solution:

$\\$

We know:-

$\bigstar \boxed{ \rm Area \: of \: circle = \pi {r}^(2) }$

$\\$

So:-

$\\$

$\dashrightarrow\sf Area \: of \: circle = 314 * {9}^(2)$

$\\ \\$

$\dashrightarrow\sf Area \: of \: circle = 314 * 9 * 9 \\$

$\\ \\$

$\dashrightarrow\sf Area \: of \: circle = 314 * 81 \\$

$\\ \\$

$\dashrightarrow\bf Area \: of \: circle = 25434 \: unit^2\\$

$\\ \\$

.°. Option D is correct

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2 Answers

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Digram:

Given :

To find:

Solution:

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