Math Problem Statement
The composite shape is a semicircle with a circle of radius Y removed from the centre. A- find an expression for the area of the semicircle. B- what is the seabed area of the composite shape? C- find the area of guarden (example as a garden with the shape) of x= 6m and Y = 0.5 m, correct to the nearest square m.
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Area of Composite Shapes
Circles and Semicircles
Formulas
Area of a semicircle: A_semi = (1/2) * π * X^2
Area of a circle: A_circle = π * Y^2
Seabed area: A_seabed = (1/2) * π * X^2 - π * Y^2
Theorems
-
Suitable Grade Level
Grades 6-8
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