Question

A bookmark is shaped like a rectangle with a semicircle attached at both ends. The rectangle is 16 cm long and 4 cm wide. The diameter of each circle is the width of the rectangle. What is the area of the bookmark? Use 3.14 for π.

Answer 1

the area of the book mark would be

area of the reactangle + area of the two semi circle

two semicircles would make a perfect Circle

and the area of a circle is πr^2

and the diameter is= width=4cm

therefore radius = 2cm

the area would be 3.14×2×2

= 3.14×4

=12.56 sq.cm

the area of reactangle=l×b

= 16×4

=64 sq.cm

total area= 12.56+64

=76.56sq cm

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Answer 2

Answer:

241.2cmsq

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