Area of the whole rectangle = length × width
Area of the whole rectangle = 16 cm × 10 cm
Area of the whole rectangle = 160 cm²
Half circle + half circle = whole circle
Diameter of whole circle is 10 cm
Area of the whole circle = pi × r²
Area of the whole circle = pi × (5)²
Area of the whole circle = 3.14 × 25
Area of the whole circle = 78.5 cm²
Shaded region = area of the whole rectangle minus the area of the whole circle
Shaded region = 160 cm² — 78.5 cm²
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Answers & Comments
Area of the whole rectangle = length × width
Area of the whole rectangle = 16 cm × 10 cm
Area of the whole rectangle = 160 cm²
Half circle + half circle = whole circle
Diameter of whole circle is 10 cm
Area of the whole circle = pi × r²
Area of the whole circle = pi × (5)²
Area of the whole circle = 3.14 × 25
Area of the whole circle = 78.5 cm²
Shaded region = area of the whole rectangle minus the area of the whole circle
Shaded region = 160 cm² — 78.5 cm²
Shaded region = 81.5 cm²
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