Question

Tanny runs 3 times around a square field each of whose sides measures 15 m. How much distance does she run?
(1) 120 m
(2) 135 m
(3) 160 m
(4) 180 m

Answer 1

✨ʜᴇʏ ᴍᴀᴛᴇ! ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ!✨

sɪᴅᴇ ᴏғ sϙᴜᴀʀᴇ ғɪᴇʟᴅ = １５ᴍ

sᴏ, ᴘᴇʀɪᴍᴇᴛᴇʀ ᴏғ sϙᴜᴀʀᴇ ғɪᴇʟᴅ = ４ × sɪᴅᴇ = ４ × １５ = ６０ᴍ

ɴᴏᴡ, ʀᴏᴜɴᴅs ᴛᴀᴋᴇɴ ʙʏ ᴛᴀɴɴʏ = ３

sᴏ, ᴛᴏᴛᴀʟ ᴅɪsᴛᴀɴᴄᴇ ᴄᴏᴠᴇʀᴇᴅ ʙʏ ᴛᴀɴɴʏ = ３ × ６０ = １８０ᴍ

ʜᴇɴᴄᴇ , ᴄᴏʀʀᴇᴄᴛ ᴏᴘᴛɪᴏɴ ɪs " (４) １８０ ᴍ".

ʜᴏᴘᴇ ɪᴛ ɪs ʜᴇʟᴘғᴜʟ ✌️!

Answer 2

Side of square=15m
Area of a square=4×s
15×4=60
She runs 3times
So,60×3=180m
Tanny ran 180m