6) A page in a photograph album measures 30 cm
by 20 cm. It contains six square photos, each of
side 6 cm. Calculate the area of the page which
is not covered by the photos.
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The area of the album =30*20= 600cm square. Each Picture is a square having length 6cm. Area of a square 6*6cm = 36cm square. There 6 pictures. i.e 6*36= 216cm square. Area uncovered is 600-216= 384 cm square.
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