Question

Find the diameter of circle whose area is 154 cm sq?​

Answer 1

Answer:

Here is the answer

Step-by-step explanation:

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Answer 2

Answer:

Given,

Area of circle :- πr²

$\begin{gathered}:\implies\sf{154 =}\dfrac{ 22} { 7 } {×r²}</p><p> \\ \\ \\ :\implies\sf{ r² = 154 ×} \dfrac{ 7 } { 22} \\ \\ \\ :\implies\sf{ r² = 7 × 7 } \\ \\ \\ :\implies\sf{r² = 49} \\ \\ \\ :\implies\sf{r = 7 }\end{gathered}$

Now diameter :- diameter = r × 2

: $\implies$ 7 × 2

: $\implies$ 14 cm :)

Therefore, diameter of circle is 14cm

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