Math, asked by sanayakhan9042, 2 months ago

the radius of circleis 7cmits circumference is

Answers

Answered by priyanshu7989

2

Answer:

circumference = 2pi ×r

= 2 × 3.14 × 7

= 43.96 or 44 cm

by rounding off

Answered by rishi20284

17

ɢɪᴠᴇɴ

ʀᴀᴅɪᴜs ᴏғ ᴛʜᴇ ᴄɪʀᴄʟᴇ ɪs 7 ᴄᴍ

Tᴏ ғɪɴᴅ

ᴄɪʀᴄᴜᴍғᴇʀᴇɴᴄᴇ ᴏғ ᴛʜᴇ ᴄɪʀᴄʟᴇ

Fᴏʀᴍᴜʟᴀ ᴜsᴇᴅ

Cɪʀᴄᴜᴍғᴇʀᴇɴᴄᴇ ᴏғ ᴀ ᴄɪʀᴄʟᴇ = 2 × π × r

Sᴏʟᴜᴛɪᴏɴ

= 2 × 22 × r

7

= 2 × 22 × 7

7

= 2 × 22

= 44

Sᴏ, ᴛʜᴇ ᴄɪʀᴄᴜᴍғᴇʀᴇɴᴄᴇ ᴏғ ᴛʜᴇ ᴄɪʀᴄʟᴇ ɪs

44ᴄᴍ

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