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01-04-2021
Mathematics

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Find the area of the composite shape.
1,323 cm squared
1,209 cm squared
955.5 cm squared
1,029 cm squared

Find the area of the composite shape 1323 cm squared 1209 cm squared 9555 cm squared 1029 cm squared class=

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aminerassam aminerassam

01-04-2021

Answer:

4. A = 1029 cm²

Steps:

A = (35×21)+(21+2×3.5)×21/2

A = 735 + (21+7)×21/2

A = 735 + 28×21/2

A = 735 + 588/2

A = 735 + 294

A = 1029 cm²

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