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21.02.2021 •
Mathematics
What is the length of CF?
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Ответ:
8.5
Step-by-step explanation:
BF * EF = CF * DF
7 * 17 = CF * 14
119 = CF * 14
CF = 119 / 14
CF = 8.5
Ответ:
Ответ:
If the other answer doesn't work, try this:
The circle can be cut into slices, separated, and fit together to form a parallelogram that has the same area. The height of the parallelogram is the radius and the base is half the circumference, which is r. The area is r(r), which is equal to r2.
Step-by-step explanation: