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Rusven
16.10.2020 •
Mathematics
2.
Find the area of circular room whose diameter is 14 cm. (it = 3.14)
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Ответ:
Area of the circle with diameter 14cm is 154.35 cm squared.
Step-by-step explanation:
Since d=2r, we know that r=1/2D=7cm
We also know that the area of a circle can be found using the following equation: pir^2
We can plug in pi=3.14 and r=7 to get
area=(3.14)(7)^2=3.14*49=154.35cm^2
Ответ:
14 x 3.14
Step-by-step explanation:
Circumference is C = d x pi Pi is equal to 3.14 and diameter is 14 so 3.14 x 14 is the answer. 43.96 to be exact.
Ответ: