Question

On a square handkerchief, nine circular designs each of
radius 7 cm are made (see Fig. 12.37). Find the area of the
remaining portion of the handkerchief.
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Answer 1

As the radius is 7cm ,diameter is 14cm .i.e.(7 ✖ 2) and length of side is equal to 3 ✖ diameter. i.e.42cm

Answer 2

ʀᴇꜰᴇʀ ᴛʜᴇ ᴀᴛᴛᴀᴄʜᴍᴇɴᴛ.....