Mathematics

Question

A bookmark is shaped like a rectangle with a semicircle attached at both ends. The rectangle is 15 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
Plz help very confusing

1 Answer

  • Answer:

    72.56 square cm

    Step-by-step explanation:

    Area of rectangle = 15 · 4

    Area of rectangle = 60

    semi-circles at each end of rectangle equals one full circle

    Area of circle = π · r²

    Area of circle = π · 2²

    Area of circle =  4π

    Area of circle = 4(3.14) = 12.56

    Add area of rectangle to area of circle:

    60 + 12.56 = 72.56

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