Answer:
C. 15
Step-by-step explanation:
Small triangle is similar to larger one so we can use the similarity ratio to solve the question:
CE/CA = DE/AB
4/12 = 5/AB cross multiply expressions
4AB = 60 divide both sides by 4
AB = 15
The answer is C
Radius is 8.2 and circumference is 51.52
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<span> 9/72 in simplest form is 1/8. 1/8 = one eighth.</span>
