mostafachowdhury90
Answered

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a circle has a diameter of 100 cm. which of these is closest to its area? show or explain your reasoning.
314 cm
7,854 cm
15,708 cm
31,400 cm

Sagot :

helper27738

Answer:

7,854 cm

Step-by-step explanation:

The area of a circle is given by πr², and the radius is the diameter/2:

100/2=50

π•50²=7,853.98≈7,854

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