Question

8. perimeter of a rectangle in meters with length180cm
and breadth 50cm is

a)4.6 m
b)4.7 m
c) 4.8 m
d) 4.2 m​

Answer 1

Answer:

4.6 m

Step-by-step explanation:

perimeter of rect. = 2(L+B) =>2(180+50) => 2×230=460cm

so, 1 CM = 1/100 m

460 CM = (460/100)m = 4.6m

Answer 2

ʟᴇɴɢᴛʜ= 180ᴄᴍ

ʙʀᴇᴀᴅᴛʜ= 50ᴄᴍ

ᴘᴇʀɪᴍᴇᴛᴇʀ ɪꜱ 2( ʟᴇɴɢᴛʜ + ʙʀᴇᴀᴅᴛʜ)

ꜱᴏ, ᴛʜᴇ ᴘᴇʀɪᴍᴇᴛᴇʀ ɪꜱ:

2(180+50)

2 x 230

ᴛʜᴇ ᴘᴇʀɪᴍᴇᴛᴇʀ ɪꜱ 460ᴄᴍ.

ᴄᴏɴᴠᴇʀᴛɪɴɢ ɪᴛ ᴛᴏ ᴍᴇᴛʀᴇꜱ, ᴡᴇ ɢᴇᴛ:

4.6 ᴍᴇᴛʀᴇꜱ.