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natali 33 [55]
3 years ago
9

What is the radius of the circle?

Mathematics
2 answers:
Flauer [41]3 years ago
7 0

Answer:

\frac{ae}{be}  =  \frac{ce}{de}  =  \frac{bc - be}{ad - ae}  \\  \\  =  >  \frac{8}{3}  =  \frac{15 - 3}{ad - 8}   \\ \\   <  =  >  \frac{8}{3}  =  \frac{12}{ad - 8}   \\  \\  =  > ad - 8 =  \frac{12 \times 3}{8}  = 4.5 \\  \\  <  =  > ad = 4.5 + 8 = 12.5 \\  \\  =  > r = 12.5 \div 2 = 6.25

Stolb23 [73]3 years ago
3 0

Answer:

8×ED=3×15

ED=45/8

the radius is the half of the diameter

so its 45/16

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