Question

what is rectangular number?​

Answer 1

Answer:

Rectangular numbers are numbers that represent the total number of dots contained within a rectangular arrangement of dots with the number of columns being one more than the number of rows.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

 ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ɴᴜᴍʙᴇʀ ᴀʀᴇ ᴛʜᴏsᴇ ɴᴜᴍʙᴇʀs ᴛʜᴀᴛ ʀᴇᴘʀᴇsᴇɴᴛ ᴛʜᴇ ᴛᴏᴛᴀʟ ɴᴜᴍʙᴇʀ ᴏғ ᴅᴏᴛs ᴄᴏɴᴛᴀɪɴᴇᴅ ᴡɪᴛʜɪɴ ᴀ ʀᴇᴄᴛᴀɴɢᴜʟᴀʀ ᴀʀʀᴀɴɢᴇᴍᴇɴᴛ ᴏғ ᴅᴏᴛs ᴡɪᴛʜ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ᴄᴏʟᴜᴍɴs ʙᴇɪɴɢ ᴏɴᴇ ᴍᴏʀᴇ ᴛʜᴀɴ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ʀᴏᴡs.