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24-01-2022
Mathematics

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Determine the area of the composite figure below

Determine the area of the composite figure below class=

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24-01-2022

Answer:

2772 cm²

Step-by-step explanation:

Work:

2(π x 21 x 21/2) + (π x 42 x 42/4) = Area of figure
=> π x 21 x 21 + (π x 42 x 42/4) = Area of figure
=> (22/7 x 21 x 21) + (22/7 x 21 x 21) = Area of figure
=> 2(22/7 x 21 x 21)
=> 2(22 x 3 x 21)
=> 2772 cm²

Hence, the area of the shape is 2772 cm².

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