The edges of two cubes are 8 cm and 4 cm
cubes are 8 cm and 4 cm respectively. Calculate the
ratio of
their surface area ?
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ᴛʜᴇ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ ᴏꜰ ᴛʜᴇ ᴄᴜʙᴇ ɪꜱ 6ᴀ²
ᴛʜᴇ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ ᴏꜰ 1ꜱᴛ ᴄᴜʙᴇ ᴡɪᴛʜ ꜱɪᴅᴇ 8ᴄᴍ=6×8²
= 6×64
=384
ᴛʜᴇ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ ᴏꜰ 2ɴᴅ ᴄᴜʙᴇ ᴡɪᴛʜ ꜱɪᴅᴇ 4ᴄᴍ=6×4²
=6×16
=96
ᴛʜᴇ ʀᴀᴛɪᴏ ᴏꜰ ᴛʜᴇ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ ᴏꜰ ᴛʜᴇ ᴄᴜʙᴇ ɪꜱ 384:96 ɪᴇ 1:4........
1:4 ɪꜱ ᴏᴜʀ ʀᴇqᴜɪʀᴇᴅ ʀᴀᴛɪᴏ
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