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johnny2585
10.03.2021 •
Mathematics
Tell whether the angles are adjacent or vertical. Then find the value of x.
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Ответ:
Step-by-step explanation:
x=360-80=280°
Ответ:
Circle requires ≈ 20 m of edging
Step-by-step explanation:
A = πR²
R = √(A/π)
C = 2πR = 2π√(A/π)
C = 2π√(30/π) = 19.41625... ≈ 20 m
square needs ≈ 22 m of edging
equilateral triangle needs ≈ 25 m of edging