Question

If the area of a circle is 616 sq.m, find its circumference.​

Answer 1

Given :-

• Area of circle = 616 sq.m

To find :-

• circumference

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Area of a circle = 616 sq.m

$π {r}^{2} = 616 \\ \\ \frac{22}{7} \times {r}^{2} = 616 \\ \\ {r}^{2} = 616 \times \frac{7}{22} \\ \\ {r}^{2} = 196 \: \: or\: \: {14}^{2} \\ \\ [tex]\sf{r=14m}$

Hence, the circumference of a circle = 2πr 

= 2 × 22/7 × 14 = 88 m

Answer 2

ᴀɴsᴡᴇƦ

ᴄɪʀᴄᴜᴍғᴇʀᴇɴᴄᴇ ᴏғ ᴄɪʀᴄʟᴇ = 88m