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18.03.2021 •
Mathematics
The formula for finding the circumference of a circle is C = 2 XA Xr where C is the circumference and r is the radius. Use 3. 14 as an
estimate for
What is the circumference of a circle with a radius of 6 cm?
A. 11. 14 cm
B. 18.84 cm
OC. 37.68 cm
D. 75.36 cm
E 113.04 cm
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Ответ:
from angleECG and EDF
angle E=angleE
angle C=angleD
by AA similarity criterion
angle ECG ~EDF
hence proved