The ratio of two radii of the two circles is 3 :5 . Find the ratio of their areas
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Answered by
3
area of 1st is 3.14(3)^2
=3.14*9
.......and similarly for second then compare and then simplify....
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Hᴇʀᴇ's Yᴏᴜʀ Aɴsᴡᴇʀ:-
Lᴇᴛ Tʜᴇ Rᴀᴅɪᴜs ᴏғ Tʜᴏsᴇ Cɪʀᴄʟᴇs ʙᴇ 3x Aɴᴅ ,5x Rᴇsᴘᴇᴄᴛɪᴠᴇʟʏ.
Nᴏᴡ Aʀᴇᴀ ᴏғ Fɪʀsᴛ Cɪʀᴄʟᴇ = π ( 3x )² = 9πx²
Aʀᴇᴀ ᴏғ Sᴇᴄᴏɴᴅ Cɪʀᴄʟᴇ = π ( 5x )² = 25πx²
Nᴏᴡ Tʜᴇɪʀ Rᴀᴛɪᴏs Bᴇᴄᴏᴍᴇ:-
Aʀᴇᴀ ᴏғ Fɪʀsᴛ Cɪʀᴄʟᴇ : Aʀᴇᴀ ᴏғ Sᴇᴄᴏɴᴅ Cɪʀᴄʟᴇ
9πx² : 25πx²
9 : 25.
Hᴏᴘᴇ ɪᴛ Hᴇʟᴘs ᴜʜ......
Hᴀᴠᴇ ᴀ Gʀᴇᴀᴛ Dᴀʏ......
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