Aaraar
19.03.2021 •
Mathematics
What is the area of a circle with a diameter of 21 centimeters?
use 3.14 for pi
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Ответ:
346.4 square centimeters (cm²)
Ответ:
346.185 cm²
Step-by-step explanation:
radius = diameter / 2
Area of a circle = πr²
radius = 21/2 = 10.5
Area = 3.14(10.5)²
Area = 346.185 cm²
Ответ:
I believe its C I could be wrong
Step-by-step explanation: