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21-04-2021
Mathematics

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Find the area and the circumference of a circle with diameter 9 cm. Please help!!

Find the area and the circumference of a circle with diameter 9 cm Please help class=

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OverpoweredNoob OverpoweredNoob

21-04-2021

Answer:

Area = 63.62 cm², Circumference = 28.27 cm

Step-by-step explanation:

r = 4.5 cm

Area = π(4.5)² = 63.62 cm²

Circumference = 2π(4.5) = 28.27 cm

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