Question

x is the radius of the circle, if the diameter increased by 2 units, then write the perimeter of circle in the form of x.

Answer 1

$\large{\sf{Question}}$


x is the radius of the circle, if the diameter increased by 2 units, then write the perimeter of circle in the form of x.


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$\large{\sf{Answer}}$


Circumference = 6.28x + 3.14

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$\huge \pink{ \mid \underline{ \overline{ \sf Brainly \: Solution :}} \mid}$


$\sf Given \: \\ \sf Radius \: of \: Circle = \underline{ x } \\ \sf Diameter \: of \: Circle = 2 \times Radius \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf= \underline{2x}\\ \\ \sf \large ATQ \\ \sf New \: Diameter = Old \: Diameter + 2 \: units \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf= \underline{2x + 2} \\ \\ \mathscr{ Perimeter \: of \: Circle = Circumference \: of \: Circle } \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf= 2\pi r \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \boxed{ \sf As \: we \: know \: that \: 2r = d} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf\: = \pi d \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \: = 3.14 \times (2x + 2 )\\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \: = 6.28x + 3.14$


$\huge \orange{ \boxed{ \boxed{ \sf{ \therefore Circumference = 6.28x+3.14}}}}$


✔✔ Hence, it is solved ✅✅.


$\huge \green{ \boxed{ \boxed{ \mathscr{THANKS}}}}$

Answer 2

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X is the radius of circle.
so it diameter is 2X

so it's permeter is 2πR
(πd)

Circumference = 6.28x + 3.14

Perimeter = Diameter of circle × pie(3.14)

= 2πr

= 3.14 × 2x + 2

= 6.28x + 3.14

Hope it helps ❤️