Question

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Answer 1

Explicación paso a paso:

a.

As = ( 5 cm × 4 cm )/2

As = 10 cm²

b.

As = ( 3 cm )² - π( 1,5 cm )²

As = 9 cm² - 2.25 π cm²

c.

As = π(2 cm)² - π cm²

As = π( 2 - 1 ) cm²

d.